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Weatherguard 12X20 Round Top Commercial Greenhouse
[MPN: IS 63100]

List Price: $1599.00
Our Price: $1399.99
Available Options:
Anchor Kit:
Quantity Availability: In Stock

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1 year limited warrantyThe spacious 12X20 Round Top Commercial Greenhouse from Weatherguard is a perennial best seller at Greenhouse Nation. No other unit offers this kind of functionality and size at such an affordable price point.

Weatherguard greenhousesDesigned for commercial growing applications but popular with hobby gardeners, the greenhouse is ideal for starting seedlings, wintering plants, and just about any other need. It offers tremendous working area inside as the peak internal height is 8' 6" and there is 119 cubic feet of growing space.

Shipping included for the contiguous United StatesThe rugged frame is designed for quick assembly in just hours with ordinary household tools and is made of heavy duty 16 gauge galvanized steel with 14 gauge slip-fit joints that quickly connect. The triple layer laminated polyethylene cover is UV protected and is a sharp translucent white hue. The entire greenhouse weights a hefty 360 pounds.

Jewett Cameron greenhousesSuperb ventilation is another key benefit of the greenhouse, as eight inch flaps on the sides can fold up for cross side ventilation in addition to the upper zipper screened vents on the ends. With its large area and rugged construction, the 12X20 Round Top Commercial Greenhouse is a great addition for gardeners of all levels.

Weatherguard IS 63100 commercial greenhouseWeatherguard IS 63100 commercial greenhouse


  • Model: IS 63100
  • Nominal dimensions: 12' width x 20' length x 8' 6" height
  • Color: translucent white
  • Frame is made of 1 ½" O.D. 16 gauge commercial-grade galvanized steel with 14 gauge quick connect slip-fit joint fittings
  • Frame has 5 horizontal purlins with 4' on center arches
  • Cover is made of triple laminated polyethylene that is UV protected, 17mm, and comes in a 200 gram 12 x 12 crossover weave
  • Three piece construction as cover, door panel, and end panel with 2 vent windows are separate for each construction
  • Front and back panels can be removed for maximum ventilation
  • Triple ridge reinforced roof increases sturdiness in inclement weather and offers a place to hang even heavy plant baskets
  • 8" flaps on the base of both sides can flip up and be held in place with velcro straps for cross side ventilation
  • At the ends of each arch are 6" x 6" galvanized steel base plates which can be bolted to concrete or wood or anchored into the ground
  • All parts in the kit are designed for simple assembly in just hours
  • Includes clear and fully-illustrated step-by-step instructions
  • Perfect for both commercial and hobby applications
  • Technical support available from Jewett-Cameron for installation help
  • WARNING: This product can expose you to chemicals including Lead which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
  • Weight: 360 lbs.
  • 1 year limited warranty

Optional Accessory

jewett cameron ground anchors jewett cameron ground anchors  jewett cameron ground anchors

Anchor Kit - The ground anchoring system is perfect for anchoring your greenhouse or any structure securely into the ground to deter against theft and add rigidity in inclement weather. The kit is extremely durable and is designed especially for Jewett-Cameron products, including the Early Start, Spring Gardener, and Weatherguard brands.

It includes 6 cast aluminum anchors, a tie-off cable eye, a 42" 500 lb. pull galvanized steel cable, and a 3/8" x 2' steel drive rod that eliminates the need for digging. The system is rust-resistant and at full depth, the anchors have a holding strength of up to 2500 pounds.

Manuals: Weatherguard IS 63100 Commercial Greenhouse Instructions [6,650 k] 
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