12×20 Greenhouse Plan
- April 16, 2024
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Get our free 12×20 greenhouse
12′ x 20′ greenhouse, made from treated lumber and polycarbonate, has awning windows and vents for great airflow and space for tall plants. Download printable PDFs for easy building—perfect for any backyard or garden.
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12×20 Greenhouse blueprint includes
- Exterior 3D
- Elevation
- Floor frame
- Wall frame
- Top beam
- Rafter & rafter details
- Purlins & roofing
- Siding
- Door, window & vent details
GREENHOUSE Design
Efficient, Spacious, Durable 12×20 Greenhouse
Elevation and Siding
Uniformly structured, with detailed front and rear heights, and the siding features evenly spaced sections for both left and right sides.
Greenhouse framework
Top beams, rafters, and purlins are precisely measured and spaced for optimal support and durability.
Roof Dimensions
Greenhouse roof measures 14′-1 3/4″ in length, extending to an overall length of 22′-0″
GET YOUR GREENHOUSE PLAN FOR FREE!
Free 12×20 Greenhouse Blueprint from Forestry.com
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