Best Barns Mansfield 12×12 Wood Storage Shed Kit


Availability: 100 in stock


Our Mansfield 12×12 wood shed kit from Best Barns is the perfect outdoor storage building! It provides an enormous storage space with a 12 foot wide entrance side that runs 12 foot deep. The Mansfield storage building is large enough to drive in your riding mower or motorcycle into and still have plenty of room to fit the rest of your yard tools and lawn equipment inside. The super wide door opening provides 5′ 4″ of clearance! An offset door gives you an entire other side to store things in. Optionally the door can be placed in the center.

Heavy Duty Truss System:

  • 40 pounds per square foot snow load
  • 120 miles per hour wind rating

Siding is Pre-Primed and Ready to Paint:

  • Siding is 3/8″ Louisiana Pacific Smartside Exterior Paneling
  • Made from wood strands, pressed into a resin saturated substrate, superior to plywood
  • 50 year limited warranty on LP siding!

Pre-Built Doors:

  • Extra wide doors are now pre-built and ready to hang!
  • 2×4 back frame to prevent warping

Best Barns is a premium brand shed kit sold in the USA and Japan. They have been making high quality storage buildings for over 30 years! Best Barns gives you extra savings by providing the finishing materials to you from your local lumber yard.

What’s the difference between our Best Barns brand marked ‘ALL Pre-Cut’ and the regular Best Barns brand, they look similar? The Best Barns ALL Pre-Cut sheds and regular Best Barns sheds are both made by Reynolds Building Systems at their state of the art factory in Northwest Pennsylvania. The regular Best Barns brand, not marked ALL Pre-Cut, offers you added savings for just an extra 2 or 3 hours of installation time. With a regular Best Barn you will get two deliveries; one will be your shed kit and a second delivery will be the siding, roof sheathing and loft (if included in the kit) which will be delivered separately from your local home center. Home Depot will be the home center we use if one is in your area. The customer will then follow the simple instructions to make just straight cuts to prepare these items. The regular Best Barn shed makes it inexpensive and easy!

All required hardware: door hinges, latch, hurricane straps for trusses, nails, glue for gussets and detailed instruction manual included. Paint, shingles and roof edge are provided by owner / not included.

This shed is pictured with 3 optional single hung windows with shutters, gable window and cupola not included. Customize your shed and ADD options at the bottom of this page.

Mansfield 12′ x 12′ Shed Dimensions:

  • 7′ 3″ of headroom inside!
  • Door measures 5′ 4″W x 6’H
  • See diagram below!

Optional Wood Floor

loor not included; Add a wood floor kit to your shed to give it a finished look!

Designed specifically for your new storage building. Adding a wood floor provides a dry storage area and raises the building above the ground protecting it from damaging moisture. Included in the deluxe floor kit are 4×4 treated runners, 2×4 treated joists (spaced 16″ on center), 3/4″ Plywood flooring and nails. The extra 4×4 runners add additional support to the floor joists and allows you to build your shed directly on the ground or grass. The 4×4’s raise the foundation above the ground for air flow that will eliminate moisture.

The material is not pre-cut and will require the customer to make simple straight cuts. The flooring package will be delivered before your shed by a local lumber dealer. They will call to make delivery arrangements and someone must be there to receive and sign.
Optional Wood Flooring


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