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Availability:
18 left in stock
Arrives
Oct 23 – Oct 24
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Set name: Base Kit
Features
- Double read before buying: For maximum stability, we strongly recommend building a concrete foundation and using our included anchors to permanently secure the shed. If you plan to install the shed on a soft surface (such as dirt, soil, or gravel), you must purchase separate heavy-duty auger anchors. We recommend a length of at least 30 to 36 inches (75-90 cm) to ensure they grip deep into the ground, well below the frost line, for a firm and secure hold.
- Galvanized Steel Shed Base System: Install this steel frame floor kit after the shed has been assembled to create space between the ground and your shed floor. Features Ventilation Channels to Resist Humidity, 250lb/sqft Heavy-Duty Support for Lawn Equipment.
- UNLEASH 260 SQ. FT. OF MASSIVE STORAGE: Stop letting clutter win. Our expansive 13x20ft metal shed provides a colossal space, perfect as a full-size garage, a spacious workshop, or a secure outdoor storage building. With an 8 ft peak height and wide-swinging double doors, you can easily drive in your car, park your boat, or organize all your lawn equipment and tools without compromise.
- ALL-WEATHER ARMOR WITH REINFORCED TRUSS SYSTEM: Engineered to endure. Constructed from heavy-duty(23 gauge) , multi-layered galvanized steel and featuring a unique double-reinforced internal truss and beam system(18 Gauge) (see images), this metal building stands defiant against harsh wind(150mph), heavy snow(50-100 PSF), and rain. Its not just a shed; it's a permanent, weatherproof fortress for your valuables.
- SUNLIT & VENTILATED, DAY AND NIGHT: Work in a bright, comfortable space without running up your electric bill. This outdoor shed is intelligently designed with 4 transparent polycarbonate skylight panels that bathe the interior in natural light. Combined with 4 ventilation windows, it ensures constant airflow, preventing m oistur e and m ustin ess, making it an ideal environment for any project.
- SECURE & ACCESSIBLE DUAL-ENTRY DESIGN: Enjoy unparalleled convenience and security. A wide, lockable front double door allows for easy access for large items, while a separate, lockable side door offers quick walk-in entry. Whether you're setting up a tool shed or a motorcycle garage, your belongings are kept safe with included anti-theft locks.
- COMPLETE GARAGE KIT FOR YOUR NEXT PROJECT: Everything you need for a successful build is in the box. This comprehensive shed kit includes all pre-drilled panels, a full steel frame, skylights, windows, a robust ground anchor kit for stability, and a detailed instruction manual with a step-by-step installation video. While assembly is a 3-5 person project, the result is a professional-grade structure you can be proud of.
Brand: K Knowbody
Color: Blue-black
Material: Metal
Product Dimensions: 237"D x 151"W x 99.96"H
Item Weight: 580 pounds
Item Dimensions D x W x H: 237"D x 151"W x 99.96"H
Item Weight: 580 pounds
Floor Area: 245 square_feet
Door Width: 9.5 feet
Door Height: 6.62 feet
Material Type: Metal
Base Material: Metal
Top Material Type: Metal
Frame Material: Alloy Steel
Water Resistance Level: Water Resistant
Weight Capacity Maximum: 9000 pounds
Brand Name: K Knowbody
Manufacturer: K Knowbody
Number of Items: 1
Model Number: Y8L112
Manufacturer Part Number: Y8L112-1320-BW-DZ-yYY
Color: Blue-black
Style Name: 13x20 FT with Floor Frame
Door Style: Lockable Double Doors
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Oct 23 – Oct 24
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Learn more about financing & leasing here.
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Top Amazon Reviews
Set name: Standard
A very good quality shed. As an engineer and craftsman, I am well pleased. I did a 13‘ x 20‘ concrete slab to give a firm base for building the shed. This gave me 4 inches clearance all around, as the shed is smaller. The screw holes were perfectly placed and everything lined up very well. I was about 10 nylon #8 washers short, which are hard to find. I wrapped 4 inch flex tape around the bottom base so the wall would be sealed from water getting in and added sealant between the concrete and the base. I put double-back butyl tape in all the seams and flashing tape across the roof peak under the cover. I use an awl to punch the holes through the tape for alignments. I used lock nuts and backup washers on the hinge screws. The design allowed me to reverse the side walls, putting the side door toward the front of the building on the left side. Since its hinges were symmetrical, I could turn the side door over to reverse the door swing. I added lever handle door knobs so that I could open the doors from the inside. I glued screens on the back of the four vents. My recommendations: Double check panel orientations. Keep panel seams overlaps consistent. See photos.
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Reviewed in the United States on August 27, 2026 by Steve
Set name: Standard
Too challenging to put together. It took 4 days to put it together. The instructions were not clear. It was challenging to put the building together. Upon completion, we were unable to get the doors square. However, th e doors lock and the building functions. We still need to go back and seal the space where we can see sunlight. If you need an affordable building, this will do the job. If you can save your money and buy a pre-built one, I would do that or pay someone to put this together.
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Reviewed in the United States on June 21, 2026 by Office Acct SK8
Set name: Standard
Received 6 box. Super fast delivery great condition via FedEx. All materials and installation guide on package. I’m super happy. This is looks like two bedroom size house. Long lasting and Solid material. It take me about full three weeks for installation myself. If you are not handy man don’t try to installation. Must be leveling and square 4 corners before installation. Just follow there installation guide step by step. Don’t skip anything. also there are installation video on site. Buy with confidence. I have no question about product and customer service. Highly recommended again highly recommended. Appreciate for great product.
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Reviewed in the United States on December 22, 2025 by krishna
Set name: Standard
Item is solid and well built for the price and instructions ( written along with video) are fairly straightforward and not difficult to follow. My main issue is that I am assembling it on a wooden platform and none of the dimensions listed in the item description correspond to where it will attach to the platform. I pre-built my platform so that I could start assembling the shed as soon as it arrived. Due to none of the dimensions matching, I needed to make some modifications to the platform that I had already completed. Also be aware that the usable space is not 13x20. That is the size with the roof overhang.
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Reviewed in the United States on November 20, 2025 by J. D.
Set name: Standard
Great Metal Shed. Materials at good quality. Really like the two main support that span the width of the shed. Took about 8 hours with 3 people to put up the walls and roof. Took another 8 hours with one person to do the 3 doors and 3 windows. Looks very nice!!! Especially for the price!!
Reviewed in the United States on March 7, 2026 by Mark Babbitt
Set name: Standard
The directions aren't the best, but not horrible either. I assembled mostly by myself and it took me three days. Some the panels I received were bent and so they didn't fit perfectly. But honestly, for $1600 including shipping to have a shed this size is pretty darn good. It seems we'll built and sturdy and so it hard not to be pleased with the purchase. I just used ground screws to put a 6x6 landscape timbers around the perimeter for the foundation and then 24x24 pavers for the floor. I didn't want to spend a lot of money and so this was a great solution for me. The whole think probably cost me $3000.
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Reviewed in the United States on August 30, 2026 by bbiggio
Set name: Base Kit
The galvanized steel panels feel solid and well made. The reinforced frame gives the shed a very sturdy feel once assembled. It doesn’t feel flimsy like some cheaper metal sheds.
Reviewed in the United States on September 1, 2026 by Brian Elwell
Set name: Base Kit
I was concerned about the metal being too thin, but the steel structure feels strong and stable. The reinforced supports make a noticeable difference, especially for a shed this large.
Reviewed in the United States on September 2, 2026 by Amazon Customer