RIGA Four-Season Polycarbonate Greenhouse

Key Features & Benefits

• The combination of quality construction, design, and optional accessories, make this greenhouse an excellent investment for the serious gardener.
• The semi-diffused panels permits sufficient light and warmth for propagating seeds and starter plants in early spring, while providing diffused light which is ideal for growing plants full-term inside the greenhouse.
• These are perfect for someone who likes to grow plants and vegetables from seed, or to grow plants and vegetables through the winter months.
• Frame is constructed of smooth-finished anodized aluminium Frame profiles are permanently attached, and won’t come loose over time Side Panels are UV-coated 8mm twin-wall polycarbonate Front & Back Panels are UV-coated 10mm twin-wall polycarbonate Heavy-duty rubber seals & silicone caulk to seal around windows The aggressively angled roof does not allow snow or debris to collect Very well ventilated with oversized roof windows (40″ w x 24″) Oversized back wall window (30″ wide x 42″) Oversized dutch barn door on the front (30″ wide) Please note, the shelving is now supported by the diagonal supports.
• Photos of the chains are from an older model.
• RIGA IIS – 7’8″ W x 7′ L x 7’1″ H, allowing for 54 sq/ft of space.
• Comes with 1 roof: window and opener.
• RIGA IIIS – 7’8″ W x 10’6″ L x 7’1″ H, allowing for 81 sq/ft of space.
• Comes with 1 roof: window and opener.
• RIGA III – 9’8″ W x 10’6″ L x 7’7″ H, allowing for 102 sq/ft of space.
• Comes with 1 roof: window and opener.
• RIGA IVs – 7’8″ W x 14′ L x 7’1″ H, allowing for 108 sq/ft of space.
• Comes with 2 roof: windows and openers.
• RIGA IV – 9’8″ W x 14′ L x 7’7″ H, allowing for 135 sq/ft of space.
• Comes with 2 roof: windows and openers.
• RIGA V -9’8″ W x 14′ L x 7’7″ H, allowing for 135 sq ft of space.
• Comes with 4 roof: windows and openers. *Please note, unfortunately it is not possible to add length to the RIGA greenhouse after you have assembled it.
• The main support beams are one piece and cannot be extended Base frame: This optional accessory is highly recommended.
• It is 6″ high and is typically placed directly on the ground.
• The base frame: attaches to the bottom of the greenhouse and provides a stable foundation.
• Shelving: The shelving system hangs from chains rather than traditional braces that support from the bottom providing superior strength and reliability.
• Top shelving: suspended shelving with polycarbonate inserts. 14″ deep.
• Regular height shelving: suspended shelving without braces allows for larger equipment to be stored underneath. 25″ deep with polycarbonate inserts or heavy-duty seed trays.
• Door Frame Extensions: If you’re interested in giving greater height to your RIGA greenhouse, you can place it above ground level by mounting it onto a 20″ knee wall.
• This kit extends the door frame, completing your greenhouse.
• Additional Roof Windows and Automatic Openers: These are recommended in areas where temperatures reach over 95°F when still using the greenhouse.
• Shade cloths, which we do not carry specifically for the RIGA greenhouses, are also a good investment in areas where one might use the greenhouse in hot weather.
• Wheelbarrow Access Plate: This heavy duty access plate allows you to easily move a garden cart or wheelbarrow in and out of your greenhouse, empty or full! Made from heavy duty aluminum – 19.5″ W x 21″ L (each side) x 1.75″ H in the middle.
• Solar LED Light: This solar powered LED light comes with a 3 watts (80 mA) solar panel with 9′ wire, mounting hardware and an LED light and housing (6″x7″).
• It produces 250 Lumens for up to 4 hours – after an average sunny day.
• Color Bright: 6000º K.
• Black Seed Trays: These trays fit easily in to the optional shelving.
• These trays are used to make starting seeds and transplanting easier.
• Adjustable Metal Hooks: A set of 5 metal hooks that are great for hanging lights, fans, flower baskets and other heavy items.
• Plastic Hangers: A set of 10 hangers that snap into the grooves in the aluminum frame and are used to attach twine or rope to support tall plants like tomatoes or beans.
• Exhaust Fan: This exhaust fan should be placed on a high location in the back wall.
• Pre-wired with 9′ plug-in power cord.
• Available in a 12″ (RIGA 2-4), 16″ (RIGA 5) and 20″ (RIGA XL).
• Intake Shutter: Usually positioned in a high location in the lowest panel of front wall.
• Prewired with 9′ plug-in power cord.
• Available in a 16″ (RIGA 2-4), 20″ (RIGA 5) and 24″ (RIGA XL).
• Warranty & Important Information Warranty: the polycarbonate walls are under warranty against manufacturer’s defects for 10 years and the aluminum frame is under warranty for 15 years.
• The warranty on the glazing: is pro-rated after 5 years.
• Zoning restrictions: in some areas of the US, it is necessary to have a permit to construct a permanent structure in your backyard.
• A common restriction is that anything over 100 square feet will require a permit that would be issued by your municipal government or your neighbourhood association.
• Flooring: We recommended using gravel, stones, pine straw or some other kind of weed control mat that allows drainage for your greenhouse flooring.
• Concrete slabs are not recommended Shipping: These greenhouses ship on a pallet via standard motor freight.
• The freight carrier will call in advance to schedule delivery.
• You may need two people present to unload freight from the delivering freight carrier vehicle.
• If you have a difficult street, or dead-end street, please contact us before ordering.
• Shipments are delivered curb-side.

Technical Specifications

• Item SKU: NLR-GRN-1014
• Frame Profile: Heavy-Duty Extruded Rust-Proof Aluminum with Powder Coating
• Glazing: 4mm – 8mm High-Impact Twin-Wall Polycarbonate Panels
• Light Transmission: Diffused Sunlight with 100% Harmful UV Ray Protection
• Ventilation: Adjustable Roof Vent Windows for Natural Climate Regulation
• Wind Rating: Tested and rated for sustained winds up to 65 – 80 MPH
• Snow Load Capacity: Engineered for four-season heavy winter snow loads (25 – 35 psf)
• Warranty: 10-Year Limited Manufacturer Structural & Glazing Warranty

What’s in the Box

• RIGA Four-Season Polycarbonate Greenhouse Extruded Aluminum Frame Components
• Pre-Cut Twin-Wall Impact-Resistant Polycarbonate Panels
• Adjustable Roof Vent Windows and Opening Mechanisms
• Galvanized Steel Foundation Base & Anchoring Hardware
• Comprehensive Four-Season Setup Guide