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Hoklartherm Riga XL 6 Greenhouse 14x19

$12,999.00 $13,999.00
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Riga XL 6
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The RIGA XL 6 is truly a greenhouse by the European definition of a greenhouse - designed to be used to grow fresh vegetables, herbs and flowers in the middle of winter. While other so called “greenhouses” using less than 8 mm twin-wall poly-carbonate, are considered to be Season Extenders, to be used when only a slight night frost might be expected during the spring or fall season. At best they can only be used to house established plants during the winter season. The RIGA Greenhouse offers the minimum insulation needed to grow plant year-round – others using less insulation cost too much to heat.

The eye-catching onion-shaped structure will not fall below a load of snow. In fact, Riga greenhouses can face large hailstorms and winds as well. It assures that sunshine will continuously touch your plants because of the rounded construction.

16mm UV coated Triple-wall Polycarbonate on all four sides gives the highest insulative advantage that is available on the U.S. market right now. The glazing is remarkably long-lasting and practically indestructible while providing three times the performance in terms of heat conductivity compared to 8mm twin-wall Polycarbonate.

The Riga XL 6 comes with four roof windows. Each of them has an automatic, non-electric opener to maintain a well-ventilated interior. Riga XL greenhouses offer more window and door ventilation than other greenhouses. It comes with two oversized barn doors for easy access. Open the top and let air flow through your greenhouse.

The high peak offers more headroom for tall gardeners. It is also useful for shelving space so you can double your growing space. The Riga shelves, that are part of an optional pro kit, are made of a white reflective material. The white color spreads the sunlight within your greenhouse to make it brighter. It also doesn’t emit heat like darker materials would do. These hanging shelves are space-saving and very sturdy. They can hold a high amount – for example, a 160-pound man.

FREE GIFT : $150 Worth Solar Powered LED Light( 3 Watts) with this Greenhouse

Features & Benefits of the Riga XL 6 Greenhouse

  • Nominal size: 14' width x 20' length
  • Exterior dimensions: 14' 2" width x 19' 10" length x 10' peak height
  • Color: anodized aluminum with smooth finish
  • Floor space: 283 sq. ft.
  • Roof windows: 4 large 37.5" width x 39.5" length vents, all with temperature-adjustable, electricity-free automatic openers
  • Best in class 16mm triple-wall polycarbonate panels are UV-protected, have a R-value of 2.5 and K-value of 2.3 (three times more efficient than even 8mm twin-wall polycarbonate), and are virtually unbreakable
  • Heavy duty aluminum frame is greatly sloped with a high peak to allow rain and snow to easily run off and can easily support the weight of an adult
  • Frame profiles are thicker than comparably priced structures for added strength
  • Constructed so that the frame profiles are attached to each other in a manner that ensures that they will stay intact even in high winds
  • High ratio of paneling to frame width allows for maximum light trasmittance and less "moving" shade
  • Heavy duty rubber seals are used on all windows, doors, and the top and bottom of the large side glazing panels for complete weather sealing
  • Two strong Dutch doors on each end with wide openings for easy access and maximum ventilation; both doors include keyed handles and are 37.5" width x 74" height
  • Tall peak height allows for plenty of working room inside the greenhouse without having to stoop and more room for shelving
  • Gutter and downpipes are not needed because of the unique frame design
  • Beautiful design to fit any garden
  • Includes 4 L-shaped anchor bars which attach to the inside of the frame base profiles to attach the greenhouse to a concrete or wood frame
  • Riga greenhouses have withstood all inclement weather when properly installed and anchored short of tornados and hurricanes
  • Note: Some images may not be to scale or may show the greenhouse with the optional accessories or items such as flowers or tables or chairs which are not included
  • Note: Please be sure to check your local building code for any required permits
  • All Hoklartherm greenhouses are special ordered by Exaco and individually inspected and packed with a 1 to 4 week lead time depending on inventory levels and so returns are expensive; please let us know if you have any questions at all
  • Designed, engineered, and manufactured by Hoklartherm, the top maker of premium greenhouses and outdoor pavilions in Germany
  • Imported by Exaco Trading Co. and shipped from their Austin, TX warehouse
  • Includes comprehensive assembly manual along with a DVD showing each stage of assembly
  • Assembly usually takes just one weekend with two people (three is preferable) with ordinary household tools as there are no eaves and relatively few connections
  • Maintenance-free design means the Riga only needs occasional washing with a garden hose and recommended annual tightening of all nuts and bolts
  • Friendly toll-free technical support available from Exaco for installation help
  • Ships in eight carefully packed and inspected boxes via ground freight, seven on one pallet and one 20' long tube
  • Box 1 (straight profiles - aluminum): 234" x 8" x 8 " at 180 lbs., Box 2 (parts and rubber seals): 14" x 14" x 15" at 18 lbs., Box 3 (curved profiles - aluminum): 144" x 3" x 4" at 21 lbs., Box 4 (curved profiles - aluminum): 144" x 8" x 4" at 85 lbs., Box 5 (straight profiles - aluminum): 168" x 8" x 8" at 100 lbs., Box 6 (straight profiles - aluminum): 108" x 8.5" x 7.5" at 102 lbs., Box 7 (triple wall Lexan glazing): 154" x 39" x 6" at 180 lbs., Box 8 (triple wall Lexan glazing): 154" x 39" x 6" at 180 lbs.
  • Shipping weight: ~1000 lbs.
  • Exaco and Hoklartherm stand by their greenhouses and work to make you 100% satisfied
  • 15 year limited warranty on frame and 10 year limited warranty on polycarbonate, prorated after 5 years

Riga XL 6 Greenhouse Additional Accessories

Upgrade any RIGA Greenhouse with these optional accessories.

    Foundation Frame

    The base kit used when the Riga greenhouse is assembled directly onto the earth without the use of any concrete or pressure-treated wood foundation. It is made of reinforced aluminum for added durability and ensures that the frame is perfectly square. The lip of the base is actually meant to be placed in the ground, and the base kit is not needed when the greenhouse is already being anchored to a wood or concrete base. The shipping box is 240 inches long by 10 inches wide and deep and weighs 95 pounds.

    Riga XL Pro Accessory Kit

    The Riga XL Pro Kit Kit from Hoklartherm offers everything you need to start growing. The kit includes Riga XL 6 top and bottom shelves. The top shelf is 19 feet 8 inches long and 10 inches deep and uses polycarbonate inserts to allow for more light. The bottom shelf is 19 feet 8 inches long and 25 inches deep and uses polycarbonate inserts or the optional heavy duty seed trays can be used. It also includes 3 sets of Illumitex LED grow lights that are 46 inches long each, a complete powered ventilation system (24 inch intake shutter vent, 20 inch exhaust fan, thermostat to control vent and fan), a 17500 BTU 220V electric heater, 5 heavy duty seed trays, 10 adjustable stainless steel hooks, 10 moveable plastic hooks, and the assembly facilitation kit

    • Dayton 'Big Red' Heater - This electric heater generates 13,000 BTU using a 220V connection and is sufficient to keep the Riga heated on cold days.
    • JD Manufacturing Exhaust Vent and Thermostat - This ventilation system uses a 20 inch exhaust fan with a thermostat to help keep your greenhouse properly ventilated on warm days. The exhaust vent runs on a 110V connection at 3400 CFM and the single speed thermostat runs on either 115V or 230V at 10 amps and 60 hertz.
    • Riga Top and Bottom Shelves - The accessory kit includes two hanging shelves for one side of your greenhouse. This allows for more floor space and the shelves are strong enough to support the weight of an adult. The top shelf is 19 feet 8 inches long and 10 inches deep and uses polycarbonate inserts to allow for more light. The bottom shelf is 19 feet 8 inches long and 25 inches deep and uses polycarbonate inserts or the optional heavy duty seed trays can be used.
    • Heavy Duty Seed Trays - These polypropylene black seeds trays are made in Germany and are perfect for starting seeds in your greenhouse. Five are included with the complete accessory kit they are each 24 inches long x 16 inches wide x 3.5 inches deep.
    • Adjustable Stainless Steel Hooks - Ten of these hooks are included with the complete accessory kit. These are perfect for holding lights or flower baskets and other hanging plants.
    • Moveable Plastic Hooks - The complete accessory kit for the Riga XL includes 10 moveable plastic hooks. These are used for helping orient growing plants such as tomatoes or string beans.
    • Illumitex LED Grow Light - The Illumitex Eclipse GEN2 N Bar LED Grow Light Fixture F3 Spectrum comes either with a 9-foot long power cord or without one so that multiple fixtures can be daisy chained together. Each fixture is 4' long with 12 LEDS and is designed to be installed between 12 inches and 36 inches above the plant canopy. It features 0-10 volt dimming, is damp-rated and dust-resistant, and has a 5 year warranty. The fixture with the plug can be daisy chained and the fixture without a plug includes a 2-foot long cord for daisy chaining. The fixtures have an anodized aluminum frame and are made in Austin, TX.
    • Assembly Facilitation Kit - The Riga XL Assembly Facilitation Kit from Hoklartherm contains all the tools and supplies you need for a smooth installation of your Riga XL greenhouse. The kit includes 25' metric tape, a 10mm socket wrench, a 10 mm open wrench, two 20' J-hook ratchet straps, four window restraint cables, two tubes of Boss 399 silicone caulk, and a permanent marker.

    Drop Down Door 

    We definitely recommend this Door Extension Kit If you would are building a Riga XL6 Greenhouses over a stem wall, When you build a stem wall, you will have to drop the door to the ground and the space above it will need to be covered. This extension kit will cover as much as  20 inches of extra height above the door.  A stem wall provides a solid base to build upon, raises the peak height by 20 inches, and is universally thought to add to the already beautiful aesthetics of the greenhouse.

    Specifications and features: 

    • Kit will ad 20 inches above your regular Riga Door 
    • Just like the Riga Frame, this extension is made of Anodized aluminum frame
    • The glazing is the same one used for the Riga Greenhouse (10 mm Twin Wall Polycarbonate). 
    • This includes the extension for both doors

    Hoklartherm Riga XL 6 Greenhouse Product Details

    Hoklartherm Time Lapse Assembly of Riga XL Greenhouse Side Walls

    Hoklartherm Riga Greenhouse Corner Profile

    Hoklartherm Riga Greenhouse Foundation Base Profile

    Hoklartherm Riga Greenhouse Foundation Frame Corners

    Hoklartherm Riga Greenhouse Lower Front Door Assembly

    Hoklartherm Riga Greenhouse Upper Front Door Assembly

    Hoklartherm Riga Greenhouse Rear Wall Window Assembly (1 of 2)

    Hoklartherm Riga Greenhouse Rear Wall Window Assembly (2 of 2)

    Hoklartherm Riga Greenhouse Roof Window Assembly (1 of 2)

    Hoklartherm Riga Greenhouse Roof Window Assembly (2 of 2)

      Assembly Tips For Hoklartherm Riga XL 6 Greenhouses

      While the process of assembling a greenhouse might seem daunting, these Riga kits are designed to be assembled by people even with no prior building experience. Depending on your skill level, the size of the structure, and the number of options you order, putting together a kit can take two or three adults one full weekend.

      Many customers opt to hire a local handyman or contractor to simplify this process, and the affordable price of the kits makes it easy to do this. They can be readily found online at sites like AngiesList or HomeAdvisor. A version of the assembly manual is available as a PDF near the bottom of this page to give you a better idea of the process.

      Site Preparation - Customers often tell us that the trickiest part of the process is making sure that they have a good foundation upon which to build the structure. This foundation should extend around the perimeter of your greenhouse. It is ideal to have the foundation be as level and square as possible.

      Concrete pavers or pressure-treated wood with crushed stone is often used, though actually pouring concrete will give the most permanent installation. The greenhouse is designed to last for decades, and pressure-treated wood typically will fail well before that when used in outdoor applications, particularly in the ground.

      Exaco recommends that all the grass and weeds be removed from inside the greenhouse before assembly and that the area be covered with a weed control mat. Installing the greenhouse on a concrete slab may seem like an easier way to get started, but it's actually less than ideal, as the greenhouse floor should be free draining.

      Standing water on concrete can freeze easily in winter months, causing a slip hazard. And concrete slabs don't help regulate the temperature inside the greenhouse as well as other floors such as pea gravel, pine straw, riverbed stones, or just regular earth. Customers typically will create some sort of path down the middle of their greenhouse with flag stones, bricks, or even decking.

      The Hoklartherm Riga 4 Greenhouse (10 x 14 )greenhouse is made with serious growers in mind. Whether you are a keen gardener with plenty of space or a plant nursery, the Riga 4 is a wonderful greenhouse with a high specification that will last a lifetime.

      About Hoklartherm GmbH

      Hoklartherm GmbH Corporate Overview (German)

      Since 1982, Hoklartherm GmbH has been designing, engineering, manufacturing, and distributing premium greenhouses and outdoor structures throughout the world. The company began as a maker of arched greenhouses and the unique Riga design has remained popular ever since. 

      From this first arched design has come a series of incremental changes to make the Rigas among the very strongest greenhouses available anywhere. The frames have been engineered for strength and to shed off snow and the commercial-grade polycarbonate panels add extra strength to the structure. Hoklartherm now makes beautiful and unique pavilions as well which have been widely installed throughout Europe in parks, commercial settings, and luxury private gardens.

      About Exaco Trading Co.

      Exaco Trading Co. began in 1987 as an importer and distributor of a home paint mixing accessory called the Exomixer. Since then the family-owned company has expanded its line considerably to include many different home and garden products, including some of the very best greenhouses from Europe. 

      Staff Recommendations:

      • Note: Please be sure to check your local building code for any required permits
      • All Hoklartherm greenhouses product are specially ordered and individually inspected and packed with a 1 to 4 week lead time depending on inventory levels and so returns are expensive; please let us know if you have any questions at all
      • Designed, engineered, and manufactured by Hoklartherm, the top maker of premium greenhouses and outdoor pavilions in Germany
      • Product Assembly usually takes just one weekend with two people (three is preferable) with ordinary household tools as there are no eaves and relatively few connections
      • Maintenance-free design means the Riga only needs occasional washing with a garden hose and recommended annual tightening of all nuts and bolts

       

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                Description

                The RIGA XL 6 is truly a greenhouse by the European definition of a greenhouse - designed to be used to grow fresh vegetables, herbs and flowers in the middle of winter. While other so called “greenhouses” using less than 8 mm twin-wall poly-carbonate, are considered to be Season Extenders, to be used when only a slight night frost might be expected during the spring or fall season. At best they can only be used to house established plants during the winter season. The RIGA Greenhouse offers the minimum insulation needed to grow plant year-round – others using less insulation cost too much to heat.

                The eye-catching onion-shaped structure will not fall below a load of snow. In fact, Riga greenhouses can face large hailstorms and winds as well. It assures that sunshine will continuously touch your plants because of the rounded construction.

                16mm UV coated Triple-wall Polycarbonate on all four sides gives the highest insulative advantage that is available on the U.S. market right now. The glazing is remarkably long-lasting and practically indestructible while providing three times the performance in terms of heat conductivity compared to 8mm twin-wall Polycarbonate.

                The Riga XL 6 comes with four roof windows. Each of them has an automatic, non-electric opener to maintain a well-ventilated interior. Riga XL greenhouses offer more window and door ventilation than other greenhouses. It comes with two oversized barn doors for easy access. Open the top and let air flow through your greenhouse.

                The high peak offers more headroom for tall gardeners. It is also useful for shelving space so you can double your growing space. The Riga shelves, that are part of an optional pro kit, are made of a white reflective material. The white color spreads the sunlight within your greenhouse to make it brighter. It also doesn’t emit heat like darker materials would do. These hanging shelves are space-saving and very sturdy. They can hold a high amount – for example, a 160-pound man.

                FREE GIFT : $150 Worth Solar Powered LED Light( 3 Watts) with this Greenhouse

                Features & Benefits of the Riga XL 6 Greenhouse

                • Nominal size: 14' width x 20' length
                • Exterior dimensions: 14' 2" width x 19' 10" length x 10' peak height
                • Color: anodized aluminum with smooth finish
                • Floor space: 283 sq. ft.
                • Roof windows: 4 large 37.5" width x 39.5" length vents, all with temperature-adjustable, electricity-free automatic openers
                • Best in class 16mm triple-wall polycarbonate panels are UV-protected, have a R-value of 2.5 and K-value of 2.3 (three times more efficient than even 8mm twin-wall polycarbonate), and are virtually unbreakable
                • Heavy duty aluminum frame is greatly sloped with a high peak to allow rain and snow to easily run off and can easily support the weight of an adult
                • Frame profiles are thicker than comparably priced structures for added strength
                • Constructed so that the frame profiles are attached to each other in a manner that ensures that they will stay intact even in high winds
                • High ratio of paneling to frame width allows for maximum light trasmittance and less "moving" shade
                • Heavy duty rubber seals are used on all windows, doors, and the top and bottom of the large side glazing panels for complete weather sealing
                • Two strong Dutch doors on each end with wide openings for easy access and maximum ventilation; both doors include keyed handles and are 37.5" width x 74" height
                • Tall peak height allows for plenty of working room inside the greenhouse without having to stoop and more room for shelving
                • Gutter and downpipes are not needed because of the unique frame design
                • Beautiful design to fit any garden
                • Includes 4 L-shaped anchor bars which attach to the inside of the frame base profiles to attach the greenhouse to a concrete or wood frame
                • Riga greenhouses have withstood all inclement weather when properly installed and anchored short of tornados and hurricanes
                • Note: Some images may not be to scale or may show the greenhouse with the optional accessories or items such as flowers or tables or chairs which are not included
                • Note: Please be sure to check your local building code for any required permits
                • All Hoklartherm greenhouses are special ordered by Exaco and individually inspected and packed with a 1 to 4 week lead time depending on inventory levels and so returns are expensive; please let us know if you have any questions at all
                • Designed, engineered, and manufactured by Hoklartherm, the top maker of premium greenhouses and outdoor pavilions in Germany
                • Imported by Exaco Trading Co. and shipped from their Austin, TX warehouse
                • Includes comprehensive assembly manual along with a DVD showing each stage of assembly
                • Assembly usually takes just one weekend with two people (three is preferable) with ordinary household tools as there are no eaves and relatively few connections
                • Maintenance-free design means the Riga only needs occasional washing with a garden hose and recommended annual tightening of all nuts and bolts
                • Friendly toll-free technical support available from Exaco for installation help
                • Ships in eight carefully packed and inspected boxes via ground freight, seven on one pallet and one 20' long tube
                • Box 1 (straight profiles - aluminum): 234" x 8" x 8 " at 180 lbs., Box 2 (parts and rubber seals): 14" x 14" x 15" at 18 lbs., Box 3 (curved profiles - aluminum): 144" x 3" x 4" at 21 lbs., Box 4 (curved profiles - aluminum): 144" x 8" x 4" at 85 lbs., Box 5 (straight profiles - aluminum): 168" x 8" x 8" at 100 lbs., Box 6 (straight profiles - aluminum): 108" x 8.5" x 7.5" at 102 lbs., Box 7 (triple wall Lexan glazing): 154" x 39" x 6" at 180 lbs., Box 8 (triple wall Lexan glazing): 154" x 39" x 6" at 180 lbs.
                • Shipping weight: ~1000 lbs.
                • Exaco and Hoklartherm stand by their greenhouses and work to make you 100% satisfied
                • 15 year limited warranty on frame and 10 year limited warranty on polycarbonate, prorated after 5 years

                Riga XL 6 Greenhouse Additional Accessories

                Upgrade any RIGA Greenhouse with these optional accessories.

                  Foundation Frame

                  The base kit used when the Riga greenhouse is assembled directly onto the earth without the use of any concrete or pressure-treated wood foundation. It is made of reinforced aluminum for added durability and ensures that the frame is perfectly square. The lip of the base is actually meant to be placed in the ground, and the base kit is not needed when the greenhouse is already being anchored to a wood or concrete base. The shipping box is 240 inches long by 10 inches wide and deep and weighs 95 pounds.

                  Riga XL Pro Accessory Kit

                  The Riga XL Pro Kit Kit from Hoklartherm offers everything you need to start growing. The kit includes Riga XL 6 top and bottom shelves. The top shelf is 19 feet 8 inches long and 10 inches deep and uses polycarbonate inserts to allow for more light. The bottom shelf is 19 feet 8 inches long and 25 inches deep and uses polycarbonate inserts or the optional heavy duty seed trays can be used. It also includes 3 sets of Illumitex LED grow lights that are 46 inches long each, a complete powered ventilation system (24 inch intake shutter vent, 20 inch exhaust fan, thermostat to control vent and fan), a 17500 BTU 220V electric heater, 5 heavy duty seed trays, 10 adjustable stainless steel hooks, 10 moveable plastic hooks, and the assembly facilitation kit

                  • Dayton 'Big Red' Heater - This electric heater generates 13,000 BTU using a 220V connection and is sufficient to keep the Riga heated on cold days.
                  • JD Manufacturing Exhaust Vent and Thermostat - This ventilation system uses a 20 inch exhaust fan with a thermostat to help keep your greenhouse properly ventilated on warm days. The exhaust vent runs on a 110V connection at 3400 CFM and the single speed thermostat runs on either 115V or 230V at 10 amps and 60 hertz.
                  • Riga Top and Bottom Shelves - The accessory kit includes two hanging shelves for one side of your greenhouse. This allows for more floor space and the shelves are strong enough to support the weight of an adult. The top shelf is 19 feet 8 inches long and 10 inches deep and uses polycarbonate inserts to allow for more light. The bottom shelf is 19 feet 8 inches long and 25 inches deep and uses polycarbonate inserts or the optional heavy duty seed trays can be used.
                  • Heavy Duty Seed Trays - These polypropylene black seeds trays are made in Germany and are perfect for starting seeds in your greenhouse. Five are included with the complete accessory kit they are each 24 inches long x 16 inches wide x 3.5 inches deep.
                  • Adjustable Stainless Steel Hooks - Ten of these hooks are included with the complete accessory kit. These are perfect for holding lights or flower baskets and other hanging plants.
                  • Moveable Plastic Hooks - The complete accessory kit for the Riga XL includes 10 moveable plastic hooks. These are used for helping orient growing plants such as tomatoes or string beans.
                  • Illumitex LED Grow Light - The Illumitex Eclipse GEN2 N Bar LED Grow Light Fixture F3 Spectrum comes either with a 9-foot long power cord or without one so that multiple fixtures can be daisy chained together. Each fixture is 4' long with 12 LEDS and is designed to be installed between 12 inches and 36 inches above the plant canopy. It features 0-10 volt dimming, is damp-rated and dust-resistant, and has a 5 year warranty. The fixture with the plug can be daisy chained and the fixture without a plug includes a 2-foot long cord for daisy chaining. The fixtures have an anodized aluminum frame and are made in Austin, TX.
                  • Assembly Facilitation Kit - The Riga XL Assembly Facilitation Kit from Hoklartherm contains all the tools and supplies you need for a smooth installation of your Riga XL greenhouse. The kit includes 25' metric tape, a 10mm socket wrench, a 10 mm open wrench, two 20' J-hook ratchet straps, four window restraint cables, two tubes of Boss 399 silicone caulk, and a permanent marker.

                  Drop Down Door 

                  We definitely recommend this Door Extension Kit If you would are building a Riga XL6 Greenhouses over a stem wall, When you build a stem wall, you will have to drop the door to the ground and the space above it will need to be covered. This extension kit will cover as much as  20 inches of extra height above the door.  A stem wall provides a solid base to build upon, raises the peak height by 20 inches, and is universally thought to add to the already beautiful aesthetics of the greenhouse.

                  Specifications and features: 

                  • Kit will ad 20 inches above your regular Riga Door 
                  • Just like the Riga Frame, this extension is made of Anodized aluminum frame
                  • The glazing is the same one used for the Riga Greenhouse (10 mm Twin Wall Polycarbonate). 
                  • This includes the extension for both doors

                  Hoklartherm Riga XL 6 Greenhouse Product Details

                  Hoklartherm Time Lapse Assembly of Riga XL Greenhouse Side Walls

                  Hoklartherm Riga Greenhouse Corner Profile

                  Hoklartherm Riga Greenhouse Foundation Base Profile

                  Hoklartherm Riga Greenhouse Foundation Frame Corners

                  Hoklartherm Riga Greenhouse Lower Front Door Assembly

                  Hoklartherm Riga Greenhouse Upper Front Door Assembly

                  Hoklartherm Riga Greenhouse Rear Wall Window Assembly (1 of 2)

                  Hoklartherm Riga Greenhouse Rear Wall Window Assembly (2 of 2)

                  Hoklartherm Riga Greenhouse Roof Window Assembly (1 of 2)

                  Hoklartherm Riga Greenhouse Roof Window Assembly (2 of 2)

                    Assembly Tips For Hoklartherm Riga XL 6 Greenhouses

                    While the process of assembling a greenhouse might seem daunting, these Riga kits are designed to be assembled by people even with no prior building experience. Depending on your skill level, the size of the structure, and the number of options you order, putting together a kit can take two or three adults one full weekend.

                    Many customers opt to hire a local handyman or contractor to simplify this process, and the affordable price of the kits makes it easy to do this. They can be readily found online at sites like AngiesList or HomeAdvisor. A version of the assembly manual is available as a PDF near the bottom of this page to give you a better idea of the process.

                    Site Preparation - Customers often tell us that the trickiest part of the process is making sure that they have a good foundation upon which to build the structure. This foundation should extend around the perimeter of your greenhouse. It is ideal to have the foundation be as level and square as possible.

                    Concrete pavers or pressure-treated wood with crushed stone is often used, though actually pouring concrete will give the most permanent installation. The greenhouse is designed to last for decades, and pressure-treated wood typically will fail well before that when used in outdoor applications, particularly in the ground.

                    Exaco recommends that all the grass and weeds be removed from inside the greenhouse before assembly and that the area be covered with a weed control mat. Installing the greenhouse on a concrete slab may seem like an easier way to get started, but it's actually less than ideal, as the greenhouse floor should be free draining.

                    Standing water on concrete can freeze easily in winter months, causing a slip hazard. And concrete slabs don't help regulate the temperature inside the greenhouse as well as other floors such as pea gravel, pine straw, riverbed stones, or just regular earth. Customers typically will create some sort of path down the middle of their greenhouse with flag stones, bricks, or even decking.

                    The Hoklartherm Riga 4 Greenhouse (10 x 14 )greenhouse is made with serious growers in mind. Whether you are a keen gardener with plenty of space or a plant nursery, the Riga 4 is a wonderful greenhouse with a high specification that will last a lifetime.

                    About Hoklartherm GmbH

                    Hoklartherm GmbH Corporate Overview (German)

                    Since 1982, Hoklartherm GmbH has been designing, engineering, manufacturing, and distributing premium greenhouses and outdoor structures throughout the world. The company began as a maker of arched greenhouses and the unique Riga design has remained popular ever since. 

                    From this first arched design has come a series of incremental changes to make the Rigas among the very strongest greenhouses available anywhere. The frames have been engineered for strength and to shed off snow and the commercial-grade polycarbonate panels add extra strength to the structure. Hoklartherm now makes beautiful and unique pavilions as well which have been widely installed throughout Europe in parks, commercial settings, and luxury private gardens.

                    About Exaco Trading Co.

                    Exaco Trading Co. began in 1987 as an importer and distributor of a home paint mixing accessory called the Exomixer. Since then the family-owned company has expanded its line considerably to include many different home and garden products, including some of the very best greenhouses from Europe. 

                    Staff Recommendations:

                    • Note: Please be sure to check your local building code for any required permits
                    • All Hoklartherm greenhouses product are specially ordered and individually inspected and packed with a 1 to 4 week lead time depending on inventory levels and so returns are expensive; please let us know if you have any questions at all
                    • Designed, engineered, and manufactured by Hoklartherm, the top maker of premium greenhouses and outdoor pavilions in Germany
                    • Product Assembly usually takes just one weekend with two people (three is preferable) with ordinary household tools as there are no eaves and relatively few connections
                    • Maintenance-free design means the Riga only needs occasional washing with a garden hose and recommended annual tightening of all nuts and bolts

                     

                        Free Shipping

                        Free Shipping We offer Free Shipping over $100

                           

                        Most products ship within 1 to 3 business days from the date of your order (unless indicated on the product page). Some items take a bit longer to ship since they are built to order (i.e., Timber Grow Lights, ChilLED Tech, Trimmers, etc). We will send you tracking information as soon as it is available.

                        Returns are easy, simply contact us for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap!

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                        Every transaction at ShopGrowSpaces.com is guaranteed to be safe.

                        This site uses SSL encryption technology that so that you never have to worry about credit card safety.

                        Statistically online purchases are safer than using your credit card at a department store or a gas station.  Experts have shown that online purchases are far safer than in person credit card transactions because the information is immediately encrypted into a scrambled message that can only be decrypted by an authorized computer.

                        Still don’t want to use your credit card on the World Wide Web?

                        We’ve got you covered! Simply call us at +1 (307)-284-3072 and we will gladly help you place your order.

                        Why Buy From Us

                        We know you have a choice in online shopping, and we want to do all that we can do to earn your business. We not only want to earn it, but we want to keep it as well!. Here are the top reasons to buy from ShopGrowSpaces.com 

                        Manufacturer Direct
                        As an online based store, we ship directly from our wholesaler warehouses, which means we can pass the savings directly to our customers.

                        Lowest Prices Guaranteed
                        We work tirelessly to ensure we have the lowest prices in the online market for our range of products. We're that confident that we'll beat any competitor's price by 10%. Check out our Best Price Guarantee policy.

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                        Orders are dispatched usually within 2 business days(post order processing & handling). You'll get an email confirmation of shipping with tracking ID when your order leaves our warehouse.

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                        12-24 Month Manufacturer's Warranty
                        All our products come with a 12-24 month manufacturer's warranty.

                        Dedicated Customer Support
                        Our dedicated team of specialists are available 7 days a week to answer your queries. Talk to us by phone, email or live chat!


                        DELIVERY

                        Please note that shipping charges includes delivery to the front of your house only. Please consider planning ahead if the items you order are heavy/large to get them to their desired location.

                        Price Guarantee

                        We ShopGrowSpaces wants you to feel confident that you are getting the absolute best price for the product you are ordering.

                        We work very hard to ensure that we offer the absolute best prices online. If you find another online store that offers a lower price then us within 30 days of your purchase date please let us know and we will refund your original payment for the difference. We want you to feel confident that you are getting the absolute best price for the product you are ordering. If you find that our own website has a lower price for the same item you have ordered within 30 days of your purchase date will refund the difference as well.

                        To request your partial refund, simply e-mail us a link to the same product on our website, or on our competitor's website, within 30 days from the date of your order and we will process the credit accordingly.

                        Our 100% Price Guarantee has some limitations:

                        • You must purchase the item from our website before requesting your Price Match Guarantee
                        • Promotions such as rebates and "buy one, get one free" offers are not eligible
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                        • The competitor must be an online store, they may not have a retail location
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                          Your Shopping Guarantee number and your email address used during the eligible transaction. The Shopping Guarantee number is provided to you on the order confirmation page from your merchant or the Certificate of Guarantee email.
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                          Web site where the eligible purchase was made, date of purchase, amount paid, description of the item and SKU (if applicable). This information is typically included in the purchase confirmation email you received from the merchant.
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                          We recommend that you send us a screenshot and the URL of the same item you purchased, showing the new price. We cannot accept printed materials, or email text as proof of the lower price.

                        All claims must be made by sending an email to PriceClaim@NortonShoppingGuarantee.com. Our staff will verify your claim within 10 business days. We reserve the right to contact you and the merchant in order to get more information. All claims must be made in English.

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                        2. Lowest Price Guarantee, when included with the Norton Shopping Guarantee you receive, is available only as follows:
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                              • Any item to which a volume discount, a coupon, a bundling arrangement (such as two-for-one), a customer rebate, an inventory liquidation, "Closeout Sale", "going out of business", "free offer", "CyberMonday", "Deal of the Day" promotion or other similar special promotional pricing mechanism is applied.
                              • Shipping, handling, taxes, surcharges, and any other similar fees.
                              • Any currency fluctuation. All claims will be reviewed in US dollar only as priced on the merchant's Website.
                              • Any partial, incomplete or cancelled orders, or any order for which a Purchase Guarantee claim has been submitted.
                              • One-of-a kind items (including antiques, artwork, rare coins and furs).
                              • Limited edition items.
                              • Services and additional costs (such as installation charges, extended or supplemental warranties, or memberships).
                              • Used, altered, rebuilt and refurbished items.
                              • Custom-built items.
                              • Land and buildings.
                              • Negotiable instruments (such as promissory notes, stamps and travelers checks).
                              • Items provided under a leasing arrangement.
                              • Cash or cash equivalent.
                              • Items that do not have a standard SKU will not be eligible for Price Guarantee.elec
                              Hoklartherm Riga XL 6 Greenhouse 14x19

                              Hoklartherm Riga XL 6 Greenhouse 14x19

                              $12,999.00 $13,999.00

                              Quantity

                              - +

                              Foundation Frame

                              Pro Kit

                              Door Extention Kit

                              Customer questions & answers

                              Ask a Question
                              • What are the complete accessory Kits for this Greenhouse?

                                Below are the suggested Accessories.

                                Foundation Frame
                                The base kit used when the Riga greenhouse is assembled directly onto the earth without the use of any concrete or pressure-treated wood foundation. It is made of reinforced aluminum for added durability and ensures that the frame is perfectly square.

                                Door Extension kit 
                                An extra panel can be placed about the door of the Riga so that it drops down by 20 inches. This allows for the greenhouse to be built upon a stem wall (knee wall) foundation. 

                                RIGA XL 6  Re-inforcement kit
                                New Addition to Hokalterm  Accessories which helps increase wind burst load to 135 MPH and Snow Load to 64 lbs. / sq.ft.

                                RIGA XL Pro Kit

                                Add to any RIGA XL for a "complete" starter kit
                                1) RIGA XL 6 Top & Table Shelf
                                2) 3 sets of professional LED grow lights (46" L)
                                3) 1 24" intake shutter vent
                                4) 1 20" exhaust fan
                                5) thermostat to control vent & fan
                                6) 17,500 BTU 220 V heater
                                7) 5 heavy duty seed trays
                                8) 10 stainless steel hooks & 10 heavy duty plastic "hooks"
                                Also includes: Facilitation Kit

                                Roof Windows

                                Though this Riga greenhouse already includes a sufficient number of windows, extra roof windows are available to provide even more ventilation. Each window is 40 inches x 24 inches and includes an automatic opener. This opener does not require electricity as it has a special paraffin oil cylinder which expands and contracts based on the temperature. The temperature range on the automatic opener is adjustable.

                                Link: https://www.shopgrowspaces.com/products/hoklartherm-riga-additional-roof-window



                              Customer Reviews

                              Based on 10 reviews
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                              K
                              K.C.
                              Riga xl 7 greenhouse

                              One of the best greenhouses you will ever buy. Quality built, great for growing or wintering plants due to triple wall polycarbonate and sheds ice and snow well. Dave at shopgrowspaces was very great at helping me through the whole process. What customer service should be. Thank you Dave!

                              G
                              G.P.
                              Great Greenhouse

                              Great Greenhouse the order arrived sooner than promised assembly could’ve went better with better instructions overall a great product

                              D
                              D.L.
                              Easy to build and great customer service.

                              Very easy to build. Took me 2 weeks only working 2 to 3 hours a day with like 5 days of no work due to being rained out. Everyone at Exaco that I talked to over the phone or in emails were very nice and were able to either answer my questions or get me to someone who could.

                              Couple delivery problems but eventually got all the items. First problem wasn't even Exaco fault the freight company that delivered it to me didn't notice that it was 3 boxes and only gave me the glass at first but i got the other 2 boxes a few days later. Second I was missing the seed tray but Claudia sent that out right away after I told her it was missing.

                              The instructions are just pictures so sometimes it was a bit hard to see what to do. Even the video online was just a few animated slides again no narration not even a little bit of ambient music. Sometimes thought the video was buffering cause it lingered on a shot for so long and there was no sound. This is where I'm removing 1 star. Although I made it through the build it would have been much more helpful to have instructions with both pictures and worded instructions on what you're supposed to do.

                              Few hard points of the build. First was where the roof brace next to the wind supports there is no room so the support has to either be on top of the wind braces or below either way getting your fingers in there to try and put on a nut was difficult. Second the sliding glass door has a few self tapping screws in the bag but the head on them is huge making it so the sliding glass door couldn't be put on with them there. I just went to my tool box and found some flat head self tappers and put those in place and it worked really well. Finally the clips they provide in with the shade cloth kinda suck. They are good for the top of the greenhouse but not the sides, they are just a bit to long and will catch on the screws holding the center supports and then pop out of the plastic loops holding them. I just replaced them with some zip ties and now the shade cloth opens and closes much easier and without the shade cloth coming undone. I also ran out of the crescent shaped rubber seal. Its the weekend right now so ill see on Monday if I call if they will send me a bit more. Only missing a small part of it.

                              Amazingly the part I thought would be hard, and was a little worried about when I decided to build it myself, was really easy. Putting the glass on was easier then building the frame. I was worried I'd be breaking glass and having to order more but the tool they give you made moving the glass around and setting it in place rather quick and painless.

                              All in all it feels like a very robust greenhouse, was quick and fairly easy to build, and had some great customer support when needed and because of that I'll add back in the star I removed before because their service is just that helpful.
                              Big thanks to David, Claudia, and Alan over at Exaco.

                              K
                              K.S.
                              Beautiful greenhouse

                              This is such a nice greenhouse and looks amazing. My husband put it together and I helped as much as I could. It is high quality and is just what I was looking for!

                              D
                              D.J.
                              Good Greenhouse

                              It looks like a really good quality greenhouse. I have received all the part and preparing the site now for installation. Thank you for the follow up.

                              S
                              S.R.
                              Great Communication

                              Dave -

                              Thank you so very much. I had faith in you, because your customer service and communications have been excellent.

                              Best,

                              Scott

                              I
                              I.W.
                              ShopGrowSpaces vastly exceeded my expectations

                              Actually, ShopGrowSpaces vastly exceeded my expectations and have been great to work with. The delivery and delivery instructions were good, and in the main the build of the greenhouse was straightforward - some challenging moments for sure, and we will have to do a slight dismantle to sort an instruction item we missed the first time, but the 3d video helped a lot and I never expected it to be easy.

                              There are some oddities - some of the seals don't make sense etc, but in my tolerant climate I don't need it to survive a hurricane or deal with a lot of humidity and I'm not worried about anything at all. It's very solid and, as far as I'm concerned, great value for money.

                              Many thanks,

                              M
                              M.F.
                              Thank you

                              Thank you. Everything is wonderful. I have it all set up and ready to go. Here's a video I sent to my sister. Thank you for your excellent service.

                              H
                              H.B.
                              My greenhouse project

                              This greenhouse is very well designed and made of sturdy, quality materials. The downside is assembly is very complicated and the directions and instructional DVD are not easy to follow (and are not consistent). We finally had to hire a professional contractor to put it together for us. That being said, the end result is impressive.

                              R
                              R.B.
                              Perfect Packaging

                              hey just a quick note, the order arrived in perfect condition, looked like it was shipped from across the street!!! AND special kudos to your packing department, I have never ever received anything this well packed and organized.I wish amazon took some lessons from you guys.next step, putting it all together and go..I am just amazed the quality of service you and your staff provide.Now to unpack all the little packages and go from thereagain thanksrobert.

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