42x20 Metal Barn
Building Description
The 42x20 Metal Barn is a no-fuss way to shelter your horses and farm animals. It features classic Barn Red walls with a bright Galvalume roof and trim. This traditional color combo looks right at home on any farm. The center bay offers open, easy-access coverage. Two enclosed lean-tos keep animals, feed, and gear dry and protected. Use it as a loafing shed or a simple agricultural storage barn. It also works for tractor storage, covered parking, or an outdoor workshop. The design is easy to customize as your needs grow. The galvanized steel frame is built to stand strong in rough weather. Every ProBuilt barn is made in the USA. Delivery and installation are free. Customize it in our 3D designer for your property.
Building Specifications

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42x20 Metal Barn FAQs
Answers about the 42x20 Metal Barn, including pricing, delivery and installation, dimensions, access, and project planning.
The 42x20 Metal Barn is currently listed at $8,970. Final pricing varies by state, certification requirements, and customizations. Free delivery and installation are included. Request a quote for your chosen layout and installation address, and confirm site preparation and foundation costs separately.
The supplied overall size is 42’W x 20’L x 10’H. The layout lists center building: 18’W x 20’L x 10’H (Roof Length 21’); left & right lean-tos: 12’W x 20’L x 8’H, 1/12 Roof Pitch, Center Aligned, Ends & Side Closed. Overall dimensions can include open lean-tos, so use the final drawings to distinguish enclosed storage from covered outdoor space.
The supplied configuration lists no doors or windows. It has an open center bay and two 12-by-20-foot lean-tos with their ends and side walls closed. Plan and confirm access openings before ordering if you intend to use the lean-tos for animals, feed, or equipment.
Free delivery and installation are included with this ProBuilt building, so you do not need to assemble the supplied structure yourself. Prepare the site to the agreed installation requirements before the crew arrives. Use the 3D designer to review options, then confirm the configuration and scope in your quote.
This configuration uses a regular curved roof structure with horizontal panels and a 3/12 roof pitch. Confirm the design loads and suitability for your installation location with ProBuilt. If you want a different roof style, request a quote for that configuration before ordering.
The supplied specifications list 150 MPH Wind Load (Incl. Lean-tos). This does not establish approval for every location. Confirm required wind, snow, and seismic design criteria, permits, setbacks, and foundation requirements with your local building department. Ask ProBuilt which engineering and certification documents are available for your installation address.

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