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Aluminum-Frame Greenhouses

The aluminum kits you buy online are all-inclusive. What this means for you is that they are ready right out of the box. You do not have to purchase any more parts to build the greenhouse, The box includes everything minus the base of the greenhouse. Extra hardware is included in the kit. This means that if you ever want to add on to the greenhouse, the adapters and connectors are already in the box. This takes the guess work out of what to buy to put on additions.

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  1. Grandio Ascent 8x24 Greenhouse
    $3,789.00

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    Grandio Ascent 8x24 Greenhouse - Premium Kit

    This beautiful hobby greenhouse is a matchless choice for both the hobby and professional gardener. Engineered to perform in the harshest environments. Rugged reliability, low cost of ownership and accolades from reviewers are just a few of the reasons why Grandio Greenhouses is winning over the world's toughest users.

    Made to meet the highest standards of amateur and professional gardeners, the 1.6mm profile aluminum frame provides a stronger and more durable build than its competitors. And the heavy-duty construction coupled with 6mm twin-wall polycarbonate panels provide and a perfect thickness for winter insulation.

    A wide range of features and accessories culminates in a well ventilated growing space and gliding double sliding doors and our superb easy strip-lock polycarbonate panel system, resulting in an amazing gardening and greenhouse experience.

    The doors are hung from above which eliminates jamming and the door wheels are made from nylon for durability. The door wheel bolt is turned from solid brass with a smooth shank to reduce wear on the wheels.

    The Premium Kit adds the following items to the standard greenhouse kit:

    • 6 Auto Roof Vent Openers
    • 2 Packs of 10 Plant Hangers
    • 1 Trellis Kit
    • 1 Drip Kit
    • 8 oz. Brillianize Cleaner with cloth

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  2. Riga 3 Greenhouse
    $3,139.00

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    Riga III 9x10 Greenhouse

    The RIGA III offers more width and headroom over the Riga IIIs greenhouse. The RIGA is truly a European greenhouse designed to grow in the middle of winter! The RIGA is not just a season extender greenhouse. The unique RIGA design prevents snow build up, allows for maximum inside head room, and minimizes wind resistance. The RIGAs are designed, engineered, and manufactured in Germany from a company with 28 years experience. RIGA’s have an amazing 15 year warranty on the frame and 10 years on the panels. Riga III Greenhouse - Basic Package. Includes 1 Roof Window with Automatic Opener and 1 Oversized Hinged Rear Window.
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  3. Riga 3 Greenhouse
    $4,081.00

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    Riga III 9x10 Greenhouse - Premium Package

    The Riga III Greenhouses Kit offer superior quality, strength, and insulation. The Riga III Greenhouse Kit is 102 sq.ft., it has 8 mm twin-wall polycarbonate glazing on its side walls, 10 mm twin-wall polycarbonate on its front and back gables; 1 Roof Window with automatic opener, 1 large rear wall window, 1 Barn Style Door with lock (size: 30" wide x 79" high): over all size: 9'8" w x 10'6" long x 7'9" high. It also comes with 1 Top Shelf (14" deep), 1 Lower Shelf (25" deep), and 1 Base Kit.
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  4. Riga IIIs 7x10 Greenhouse
    $3,059.00

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    Riga IIIs 7x10 Greenhouse

    The RIGA IIIs is the second smallest RIGA greenhouse. The RIGA is truly a European greenhouse designed to grow in the middle of winter! The RIGA is not just a season extender greenhouse. The unique RIGA design prevents snow build up, allows for maximum inside head room, and minimizes wind resistance. The RIGAs are designed, engineered, and manufactured in Germany from a company with 28 years experience. RIGA’s have an amazing 15 year warranty on the frame and 10 years on the panels. Riga IIIs Greenhouse - Basic Package. Includes 1 Roof Window with Automatic Opener and 1 Oversized Hinged Rear Window.
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  5. Riga IIIs 7x10 Greenhouse - Premium Package
    $3,932.00

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    Riga IIIs 7x10 Greenhouse - Premium Package

    The Riga IIIs Greenhouse Kit offer superior quality, strength, and insulation. The Riga IIIs Greenhouse - 81 sq.ft.: 8 mm twin-wall polycarbonate glazing on its side walls, 10 mm twin-wall polycarbonate on its front and back gables; 1 Roof Window with automatic opener, 1 large rear wall window, 1 Barn Style Door with lock (size: 30" wide x 72" high): over all size: 7'8" w x 10'6" long x 7.2" high. The Riga IIIs Premium Kit also includes a base, a top shelf and a bottom shelf.
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  6. Riga 2s Greenhouse
    $2,499.00

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    Riga IIs 7x7 Greenhouse

    The RIGA IIs is the smallest and most affordable of the RIGA greenhouses. The RIGA is truly a European greenhouse designed to grow in the middle of winter! The RIGA is not just a season extender greenhouse. The unique RIGA design prevents snow build up, allows for maximum inside head room, and minimizes wind resistance. The RIGAs are designed, engineered, and manufactured in Germany from a company with 28 years experience. RIGA’s have an amazing 15 year warranty on the frame and 10 years on the panels. Riga IIs Greenhouse - Basic Package. Includes 1 Roof Window with Automatic Opener and 1 Oversized Hinged Rear Window.
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  7. Riga 2s Greenhouse
    $2,979.00

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    Riga IIs 7x7 Greenhouse - Premium Package

    Riga IIs Greenhouse - Premium Kit. The Riga Greenhouses offer superior quality, strength, and insulation. The Riga IIs Greenhouse is 54 sq.ft.: 8 mm twin-wall glazing in side walls, 10 mm twin-wall poly in front and back gables; 1 Roof Window with automatic opener, 1 large rear wall window, 1 Barn Style Door with lock (size: 30" wide x 72" high): over all size: 7'8" w x 7' long x 7'2" high. The kit also includes a Riga IIs base, 1 top and 1 bottom shelf.
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  8. Riga IV 9x14 Greenhouse
    $4,069.00

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    Riga IV 9x14 Greenhouse

    The RIGA IV has more width and more headroom than the IVs. The RIGA is truly a European greenhouse designed to grow in the middle of winter!  The RIGA is not just a season extender greenhouse.  The unique RIGA design prevents snow build up, allows for maximum inside head room, and minimizes wind resistance.

    The RIGAs are designed, engineered, and manufactured in Germany from a company with 28 years experience.  RIGA’s have an amazing 15 year warranty on the frame and 10 years on the panels.

    Riga IV Greenhouse - Basic Package. Includes 1 Roof Window with Automatic Opener and 1 Oversized Hinged Rear Window.


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  9. Riga IV 9x14 Greenhouse - Premium Package
    $5,274.00

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    Riga IV 9x14 Greenhouse - Premium Package

    The Riga IV Greenhouses Kit offer superior quality, strength, and insulation. The Riga IV Greenhouse Kit is 135 sq.ft. and comes with 8 mm twin-wall polycarbonate glazing on its side walls, 10 mm twin-wall polycarbonate on its front and back gables; 2 Roof Windows with automatic opener, 1 large rear wall window, 1 Barn Style Door with lock (size: 30" wide x 79" high): over all size: 9'8" w x 14' long x 7'9" high. The Riga IV Greenhouse Kit - Premium Package. Includes 1 Top Shelf (14" deep), 1 Lower Shelf (25" deep), and 1 Base Kit. 9' 8" x 14'
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  10. Riga 4s Greenhouse
    $3,749.00

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    Riga IVs 7x14 Greenhouse

    The RIGA IVs is middle sized greenhouse for the Riga line. The RIGA is truly a European greenhouse designed to grow in the middle of winter! The RIGA is not just a season extender greenhouse. The unique RIGA design prevents snow build up, allows for maximum inside head room, and minimizes wind resistance. The RIGAs are designed, engineered, and manufactured in Germany from a company with 28 years experience. RIGA’s have an amazing 15 year warranty on the frame and 10 years on the panels. Riga IVs Greenhouse - Basic Package. Includes 1 Roof Window with Automatic Opener and 1 Oversized Hinged Rear Window.
    Learn More

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