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Suncast

Suncast 138 Cu Ft Horizontal Outdoor Storage Shed, 57.5"x79.75"x52" Glidetop Outdoor Shed with Sliding Lid, Plastic Resin Storage Sheds with Floor for Bikes, Motorcycles, & Lawn Mower, Made in the USA

  • Based on 158 reviews
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This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026

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Availability: Only 4 left in stock, order soon!
Fulfilled by Amazon
Arrives Tuesday, Dec 30
Order within 12 hours and 52 minutes
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Features

  • DURABLE, WEATHERPROOF UTILITY SHED. Built with multi-wall resin panels that withstand rain, snow, & UV rays. This plastic outdoor shed with floor included that's reinforced to support storage of heavy equipment like bikes, motorcycles, & lawnmowers.
  • EASY ACCESS GLIDETOP LID. This outdoor storage shed with floor features Suncasts signature Glidetop sliding lid that opens effortlessly for fast, full access to all contents, so no awkward lifting required. A perfect fit for high-use storage zones.
  • SPACIOUS & COMPACT. Measuring 57.5" W x 79.75" D x 52" H with 138 cu ft of internal space, our outdoor resin storage shed with floor is big enough for patio gear, bicycle, riding lawn mower, trash cans, or garbage bins, & seasonal yard furniture.
  • LOCKABLE & LOW MAINTENANCE OUTSIDE STORAGE SHED WITH FLOOR INCLUDED. Our easy-to-clean resin outdoor garden or backyard shed with base also includes a 3-door locking system (padlock not included) for security and peace of mind.
  • TOOL-LIGHT LARGE SHED ASSEMBLY. Designed for fast setup with minimal tools, our plastic garden sheds & outdoor storage are perfect for DIYers and homeowners. Add shelves or hooks on our outside storage sheds for customizable interior organization.

Description

"The Suncast 138 Cu Ft Horizontal Outdoor Storage Shed is the best solution for large backyard storage. Built from heavy-duty resin and designed for all- weather durability, this shed keeps your gear safe from rain, snow, and sun. Whether you're storing a riding lawn mower, gardening tools, a motorcycle, or seasonal patio items, this unit delivers serious utility without taking up too much space. Measuring 57.5"" x 79.75"" x 52"", the shed features a reinforced floor strong enough for heavy equipment and bins. The signature Glidetop sliding lid offers quick, full access—perfect when you need to get in and out fast. Three lockable doors provide added security and peace of mind for families. This short outdoor shed is ideal for placing against a back wall, fence, or garage, and its clean design fits well in any yard or patio. Many customers use it as a garbage bin shed, lawn gear locker, or even a lean-to style outside storage shed for tools and equipment. Assembly is simple with minimal tools, and the low-maintenance resin panels are easy to clean out and never require painting. Whether you need storage with a floor for your tools, mower, or outdoor gear, this shed with flooring delivers practical, secure, and weather-resistant performance outside where it counts."

Brand: Suncast


Color: Gray


Material: Resin


Product Dimensions: 57.5"D x 79.75"W x 52"H


Item Weight: 112 Pounds


Brand: ‎Suncast


Color: ‎Gray


Material: ‎Resin


Product Dimensions: ‎57.5"D x 79.75"W x 52"H


Item Weight: ‎112 Pounds


Style: ‎Garden,lawn,outdoor,patio,lockable


Base Material: ‎Resin


Top Material Type: ‎Resin


Water Resistance Level: ‎Water Resistant


Frame Material: ‎Resin


Door Style: ‎Sliding Doors


Assembly Required: ‎Yes


Manufacturer: ‎Suncast


Door Width: ‎42.5 Inches


UPC: ‎044365030111


Door Height: ‎46.25 Inches


Item Package Dimensions L x W x H: ‎60 x 51 x 19 inches


Package Weight: ‎264 Pounds


Item Dimensions LxWxH: ‎79.5 x 57.5 x 52 inches


Brand Name: ‎Suncast


Warranty Description: ‎Warranty


Model Name: ‎BMS4950D


Suggested Users: ‎unisex-adult


Number of Items: ‎1


Part Number: ‎BMS4950D


Included Components: ‎Suncast Glidetop Horizontal Outdoor


Size: ‎One Size


Date First Available: June 1, 2023


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Dec 30

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.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • An Impressive Horizontal Shed
For additional yard-care equipment storage, I needed just the right shed to accompany a fairly large standard type of shed I'd built years ago from a pre-cut kit, rather like assembling a 3-D puzzle. (The wood wasn't the best, so I'd never do that again.) I spent hours looking at the multitude of possibilities online, finally settling on this one. The sliding roof was a definite attraction so that I wouldn't have crab into it hunched over. This one turned out to be just what I needed. With careful arrangement, it contains a limb chopper, corded electric lawn mower (backup now), a more powerful battery-operated lawn mower, a good-sized two-wheel wheelbarrow, and a very sturdy yard wagon, with room for a few smaller items that can be tucked in. The instructions recommend building it on a wooden or concrete foundation, which I certainly understand, but I used very carefully leveled 12" x 12" x 2" masonry blocks. I say carefully leveled, and I'm not kidding. It took some doing but I did it, anchoring the shed floor into those blocks as if it was concrete. It is very firm and stable---and was a lot less hassle than pouring a concrete pad. It did take great care to do it right, however. The assembly instructions were pretty good (I could have suggested a couple of improvements, but nothing serious), allowing me to do the whole thing in good order without delay. I also did it by myself, although two images are depicted in the instructions for a couple or three parts of the assembly. Anyone who is of at least average strength can likely do it him/herself. It all fits together just as the directions suggest, although sometimes it requires a little wiggling and jiggling to get things to set into place. (That's OK: Who want's a loose fit?) About that sliding roof. One name-brand similar shed I looked at---it also had a sliding roof and was more expensive--- looked pretty good until I read the reviews. Quite a few marked this one down for having a sliding roof that was not very easy to slide. I'm very glad I got this one, because the roof never fails to slide with complete ease. I've had this up for about 3.5 months now, through some heavy rain and blazing south Texas sun, and it exhibits no signs of warping or deformation at all, and I have detected no moisture inside even when, as happened a couple of nights when it was really storming, the wind was blowing very briskly. Sheds are not really designed to be decorative set pieces (unless you decide spend big bucks, but why not get a fancy bird bath instead?), but it looks just as a good and well made shed should look. I should mention that the doors properly close with no difficulty, the locking mechanism aligns properly with no manual acrobatics necessary, and it is at least as good as one might expect to get for the price. One final matter. Consider getting this lock, which fits perfectly: Master Lock Magnum heavy duty outdoor padlock with key, weather-resistant body and cut-resistant shackle, #M115XDLF, selling on Amazon today for about $14.50. ... show more
Reviewed in the United States on July 24, 2025 by Arvid
    • Surprisingly Roomy and Efficient
Easy to assemble. Sturdy and perfect for what we need it for. This is a great supplement to our larger permanent shed. It fit perfectly under our deck. Don’t really need the sliding roof feature, but good to know it’s there. Was able to fit 3 E-bikes, lawn mower, Air compressor, Power washer, deck cushions with plenty of room to spare. Will rotate Winter items in the Spring. Very satisfied purchase. ... show more
Reviewed in the United States on November 17, 2025 by roosimon
    • NOT GOOD FOR MY RIDER
I thought that this would be perfect for my Cub Cadet riding mower and I could free up space in my larger shed. Not so much. There is no way to drive it in and have room to get off the mower. This meant disengaging the transmission bypass lever and pushing it in from the rear of the mower every time. Getting it back out was a whole different animal. I am a 68 yr old smaller woman and I suppose I could do that but I don't want to risk slipping and or pulling something and with my closest neighbor being 1/4 a mile away it's not worth the risk. but it's up and staying up. I just transferred some other stuff out of the big wooden shed and made room for the cubbie, it's all good. It was easy to put together outside of the floor that's in 2 pieces I had to have my neighbor help me with it, while I stood on one piece he shoved the other piece into place. The rest was a one woman job. It's really sturdy as well made well worth the money just not wide enough for my mower. ... show more
Reviewed in the United States on November 24, 2025 by leepinlilly
    • Easy to assemble.
Pretty sturdy. Had to use Vaseline to get the sides to interlock. Use 10 redheads instead of 6. 2 on each end incase it gets a hurricane. Roof slides well and plenty of room for a 2 h.p. pump, 300 pound sand filter and plenty of extra space in the back and for me to walk around them. If you use redheads a hammer drill is best. ... show more
Reviewed in the United States on November 20, 2025 by Honest Al
    • Well Made Easy to Assemble
Well made product. Easy to assemble. One person can assemble it. Two would be handier. Perfect size for a couple lawn mowers etc. The sliding roof is a great feature. Total height of the unit is under 6 ft. Great for HOA restrictions. Shipped directly from the factory in the USA. Looks like it can take a beating from our Phoenix summers. ... show more
Reviewed in the United States on December 5, 2025 by Sharon Mylan
    • Great looking shed.
Great shed, nice lookin. Very easy to put together. And the sliding top makes accessing contents so much easier.
Reviewed in the United States on September 18, 2025 by Morgan L.
    • Sturdy and just what I needed
After nearly a year of use, it still looks good. Helps to put on concrete base. Pretty easy to put together, but you may need a friend for putting up sides. Water does not get inside, which is good for the mower. Also we've had 2 bad windstorms and a hail storm and it wasn't affected-- no holes!
Reviewed in the United States on July 26, 2025 by SciTeach
    • Very sturdy and easy to install.
Review Image by Lori Schaeper Lori Schaeper
Review Image by Lori Schaeper Lori Schaeper
We just put up our new shed and so far we love it! Very easy to assemble with great instructions. Most people know that a shed requires a level cement or wooden base; however, I did not know that. So beware, you will have to buy additional supplies to construct a base and that is time consuming.
Reviewed in the United States on August 28, 2025 by Lori Schaeper Lori Schaeper

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