Why buy from us
Optima 12 x 12 storage shed | 136 sq ft
Description
This wooden storage shed kit provides ample space for your projects. While it's categorized as a storage shed, its minimalist design makes it ideal for a home office or workshop. With its natural wood construction, it adds a touch of warmth to any space!
In stock, expected delivery within 2 weeks in Southern California, and 2 - 4 weeks elsewhere else in the US.
- 136 sq ft area;
- 52" wide, and 6 ft tall double door with double-pane glass;
- Interchangeable window/door placement - the door can sit on the right or left side of the front wall;
- 1 tilt & turn style functional window;
- Window grilles on the window and door are removable for a more modern shed look;
- Solid wood construction;
- Includes T&G solid wood roof boards, and all hardware. Does not include foundation, flooring (available as add-on, or do this instead), roofing materials or paint;
- Assemble in 1-2 days;
- Comprehensive assembly manual included;
- Add-on double window;
- Flower box for the double window;
- Window shutters for the double window;
- Veranda deck;
- Shed assembly video library;
- Foundation information;
- FAQ page;
- Shipping information;
- About insulation, electrical and other modifications;
We donate 25 trees in your name to the Cauvery Calling movement for each purchase made.
Financing by Klarna available at checkout.
We offer a 1-year limited warranty for defects in manufacturing and workmanship. This warranty does not include costs incurred for customer installations.
In the event of a missing or broken piece, please call the SolidBuild customer support at (800) 590-2508, ext. 1 within 30 days of the delivery of your purchase.
We are committed to sending you replacement parts free of charge, within 10 business days of this notification. If the shed is assembled past the 30-day mark, we will most certainly work with you to help you sort it out, but expect a small fee to cover the cost of the replacement part shipping.
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Key features
- 136 sq ft area;
- 52" wide, and 6 ft tall double door with double-pane glass;
- Interchangeable window/door placement - the door can sit on the right or left side of the front wall;
- 1 tilt & turn style functional window;
- Window grilles on the window and door are removable for a more modern shed look;
- Solid wood construction;
- Assemble in 1-2 days;
See all measurements and technical information ⬇
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Compatible accessories
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Additional resources
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Warranty information
What does it Take

Foundation
1-2 Days
(not included)

Assembly
1-2 Days

Roofing
1 Day
(not included)

Painting
1 Day
(not included)
Assembly Disclaimer: We're here to assist all skill levels, however, assembling our sheds may require a proficiency level similar to Scandinavian-style furniture, and requires basic tools, including a power drill. We're committed to supporting you throughout your woodworking journey. Contact us with any questions you may have!
Compatible Accessories
Measurements & technical information
- SKU:
- opt281212
- Availability:
- In stock, expect delivery within 2 - 4 weeks
- Shipping:
- Usually free, confirm in your cart
- Wall thickness:
- 1 1/8" (28mm) T&G
- Wood type:
- All natural tongue and grove Norway spruce solid wood
- Roof/ceiling:
- 3/4" T&G Norway Spruce
- Flooring:
- Available as add-on - T&G spruce floor, 5/8" thick with pressure treated floor joists
- Outside size:
- 12'6"x12'6"
- Inside size:
- 11'10" x 11'10"
- Recommended foundation:
- 11'11" x 11'11"
- Height of the wall:
- 6'6"
- Height overall:
- 8'1"
- Roof slope:
- 15º
- Roof snow load rating:
- 13 lbs/sq ft
- Roof area:
- 176 sq ft / 2 x sections of 157 1/2" x 80 3/4"
- Double doors:
- 4'3" x 6' with double pane glass
- Single window in front:
- 2'3" x 3' with double pane glass, tilt & turn style
- Canopy:
- 6"
- Wind capacity:
- 75 mph, Bldg. Cls. I, Exp. Cat. C
- Package weight:
- 1466 lb (see shipping instructions)
- NOTE!:
- Before making a purchase, check with your local county office, you may need a permit.
- Download blueprint:
- Download blueprint
Customer Reviews
Common questions & features guide
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Most popular shed uses
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Sheds with finished interior
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Shed care and personalization
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Easy to assemble DIY shed kit
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You are in great hands
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Measurements & technical info
What our customers say
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Best backyard shed ever!
“It came standard with a lot of things that were $$$ add-ons at other companies, like windows that open and double French doors. I also love that it’s non-toxic and eco-friendly”. Read full review.
‒ Schuyler Kent
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Excellent product
“Easy-to-follow assembly instructions, excellent responsiveness in answering my many questions. Looks like a custom build costing 3 times as much. No resemblance in appearance or quality to the kits at big box retailers.” Read full review.
‒ Tony P.
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An amazing company to deal with!
“Company was so helpful leading up to my ordering my shed through the construction of the shed! Very responsive and great customer service. The quality of the shed is top notch.” Read full review.
‒ Renée Stilson
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Awesome shed kit and fun to build
“The shed kit went together easier than described and is awesome. It turned out too nice for our original purpose, we are enjoying our outdoor living space much more than we thought. The assistance was stellar as well and the value for money was great.” Read full review..
‒ Mark Lemke