42x20 Barn
Building Description
The 42x20 Barn is a great fit for home and farm storage. It features bright Galvalume panels with eye-catching Hawaiian Blue trim. This crisp silver and blue look feels fresh and modern. A spacious center sits between two side lean-tos. One lean-to is fully enclosed for added security. The other has wide openings for easy open-air access. You get open storage and enclosed protection together. Use it for vehicle maintenance or agricultural storage. It also makes a handy gardening shed or outdoor picnic area. The galvanized steel frame is built to last. Every ProBuilt barn is made in the USA. Delivery and installation are free. Customize it in our 3D designer today.
Building Specifications

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42x20 Barn FAQs
Answers about the 42x20 Barn, including pricing, layout, product options, free delivery and installation, and local project requirements.
The 42x20 Barn is currently listed at $10,588. Final pricing varies by state, certification requirements, and customizations. Free delivery and installation are included. Request a quote for your chosen configuration and address, and confirm site preparation and foundation costs separately.
The specifications list a 10-by-8-foot frame-out on the left lean-to front and two 8-by-8-foot frame-outs on the right lean-to side. These are prepared openings, not installed roll-up doors. A separate walk-in door is listed; discuss any larger door additions before ordering.
Confirm permits, zoning, setbacks, foundation requirements, and required wind, snow, and seismic design criteria with your local building department before ordering. Requirements depend on your address and intended use. Ask ProBuilt which certification and engineering documents are available for your project; a listed wind rating alone does not guarantee local approval.
The supplied configuration measures 42’W x 20’L x 12’H. The layout includes center building: 18’W x 20’L x 12’H (Roof Length 21’); left lean-to: 12’W x 20’L x 9’H, 2/12 Roof Pitch, Center Aligned, Ends & Side Closed; right lean-to: 12’W x 20’L x 9’H, 2/12 Roof Pitch, Center Aligned, Gable Ends (Certified Gable), Side Wall Closed. Overall dimensions can include open coverage, so confirm the enclosed areas and clearances in the final drawing.
Yes. Free delivery and installation are included with ProBuilt buildings. Prepare the site to the agreed requirements before the installation crew arrives. Confirm site preparation, foundation work, access, and any additional project costs in your quote; included installation does not establish that concrete work is included.

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