1100 Series Hoop House Package

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  • Delivered today (order Mon-Fri before 12:00, delivery between 17:00 and 22:00)
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  • 30 days to change your mind full refund and free returns
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Dimensions 20′ W x 24′, 36′, 48′, or 72′ L x 8′ 6″ H
24′ W x 24′, 36′, 48′, or 72′ L x 9′ H
Sidewall 3′ 6″ high (up to 6′ available for additional cost)
Frame Galvanized Steel – 18 Gauge
Covering Included
Arches (2) piece arch, 5″ rollform galvanized steel. 4′ center to center.
Columns Not required
Purlins (1) run 5″ rollform galvanized steel under peak. (2) runs 3″ rollform under arch.
Manual Included

This greenhouse can provide year-round production for propagation and growing, retail garden centers, and aqua culture. Our Cold Frames are recognized as the strongest, most reliable Cold Frames available – constructed from the same high quality, galvanized steel roll-formed components as our more expensive packages. Ideal as a starter house or an overflow structure. Cold Frames are non-rated structures and not recommended for high wind or snow areas.

Designed for single poly or double poly roof covering and includes pre-cut and punched components for easy bolt-together assembly. Also can be fitted with shade cloth.


The success of this Cold Frame greenhouse can be found in it’s unique roll-form components offering superior strength, reduced cost, and simplified installation. The 1100 Series features a 5″ roll form (approx. 1-3/4″ hat). The galvanized steel frame insures maximum strength and life.

Dimensional Information

20′ Wide20' wide cold frame dimensions
24′ Wide24' wide cold frame dimensions

Package Includes

Included Description
Rollformed Steel Frame (18 Gauge) True commercial quality! All galvanized steel construction. Roll-formed arches and purlins offer superior strength and durability compared to the round “fence” style tubing offered by our competitors. All the nuts, bolts, screws, and brace straps needed are included as well.
Steel Endwall Kit (Both Ends) This galvanized Steel Endwall Kit consists of steel framing necessary to enclose endwalls.
Poly Film Roof Double Layer of 6mil Anti-Condensate, 4-Year Rated Polyethylene Film for Roof.
Inflation Blower, 60 CFM Shaded pole blower for inflating a double poly roof or any variety of applications.
SolarSoft 85 Endwalls SolarSoft 85 corrugated polycarbonate sheets feature 100% UV protection and guaranteed condensate control along with the benefits of SolarSoft pigmentation which provides 85% PAR light transmission AND 100% diffusion for a softer light.
Spring Lock Top and Spring Lock Deep Base Also known as Wiggle Wire, this complete fastening system provides secure attachment of polyethylene film. Have peace of mind during high winds. Reusable time after time.
Entry Storm Door Sturdy aluminum storm door, includes sliding screen assembly for use during hot weather.
(1) 3′ wide x 6′ 8″ tall storm door with 2 pane glass and screens.
Commercial Shutter Fan Totally enclosed motor is thermally protected and designed for continuous duty. Includes exterior aluminum shutter that opens fully for maximum CFM output. Outdoor air is drawn in through a motorized shutter and hot air is exhausted through this motorized shutter fan.
Motorized Aluminum Shutters Motorized aluminum shutters used as outside air intake or free-air exhaust when connected to a controller. Outdoor air is drawn in through this motorized shutter and hot air is exhausted through a motorized shutter fan.
Two Stage Thermostat Highly accurate, weather resistant two-stage thermostat can be used for either Heating or Cooling applications.

Assembly Information

Step-by-step installation instructions are included. We provide online and telephone support to answer any questions you may have. For information on how best to plan your greenhouse assembly or any other questions you may have.


The standard and recommended foundation for cold frame greenhouses is a piered concrete footings.

The hoop sections of the structure bolt to the interior of the sidewall posts and they extend roughly 18″ into augered holes which are then filled with concrete. These materials are the responsibility of the purchaser to secure and do not come with the structure.

Available Options

About your available options:

  • 6′ centers instead of 4′
  • 6′ high sidewalls instead of 3′ 6″
  • Additional lengths

Additional information


20' x 24', 3.5' sidewalls, 4' centers, 20' x 36', 3.5' sidewalls, 4' centers, 20' x 48', 3.5' sidewalls, 4' centers, 20' x 72', 3.5' sidewalls, 4' centers, 24' x 24', 3.5' sidewalls, 4' centers, 24' x 36', 3.5' sidewalls, 4' centers, 24' x 48', 3.5' sidewalls, 4' centers, 24' x 72', 3.5' sidewalls, 4' centers


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