Sheds and Storage
Best Resin Sheds (2026): Lifetime vs Suncast vs Keter
Quick answer
The best resin shed for most yards is the Lifetime 8 x 10: dual-wall HDPE with steel wall supports and trusses, a UV-protected exterior, an oil-resistant HDPE floor and two interior deadbolts. For snowy regions, the Suncast Modernist 7 x 7 publishes a 40 lb per sq. ft. snow load rating on a full steel frame.
Resin (plastic) sheds are the low-maintenance choice: no rust, no rot, no painting, and most kits include a floor. The trade-off is that panels are only as strong as the steel inside them, so the best resin sheds are the steel-reinforced ones. Across Lifetime, Suncast, Keter and Rubbermaid, the Lifetime 8 x 10 ($1,478.85) gets the balance of strength, security and floor quality right, while the Suncast Tremont 8 x 13 ($2,299.99) is the largest-volume resin kit here, sized for a lawn tractor.
We compared published construction details, snow load ratings where makers provide them, interior dimensions, included floors and shelves, and the patterns in verified owner reviews. Size your shed first with the shed size calculator, then use this page to pick the brand.
On this page
- What is the best resin shed brand?
- How do Lifetime, Suncast, Keter and Rubbermaid resin sheds compare?
- Beginner pick: small resin sheds for tools and a push mower
- Intermediate pick: 7 x 10 and 8 x 10 resin sheds
- Expert pick: large and premium resin sheds
- How do the resin shed picks compare on specs?
- Do resin sheds hold up to sun, heat and snow?
- What should I check before buying a resin shed?
What is the best resin shed brand?
There is no single best brand; each of the big four does something better than the others.
- Lifetime builds with dual-wall HDPE (high-density polyethylene) panels, steel wall supports and steel roof trusses, and includes an HDPE floor. The 8 x 10, 7 x 7 and 15 x 8 Dual Entry share that design. Owners commonly praise the stiffness and complain about long assembly with many screws.
- Suncast uses steel-reinforced multi-wall resin in a barn-style roof that adds interior volume. The Tremont 8 x 10 lists 547 cu. ft. and the Tremont 8 x 13 lists 715 cu. ft., both with floors. The Modernist 7 x 7 is the only kit here with a published snow load: 40 lb per sq. ft.
- Keter uses polypropylene resin with steel reinforcement and a wood-like texture. The Factor 8 x 8 has an unusually tall 94 in. interior, and the Artisan 7 x 7 is the design-forward option with clear windows and a floor.
- Rubbermaid focuses on organization. The Rubbermaid 7 x 10 has double-wall resin, an impact-resistant floor and wall panels rated to hold 75 lb each with Rubbermaid accessories.
Deciding between resin and steel instead? Read resin vs metal shed, or see all materials in best storage sheds.
How do Lifetime, Suncast, Keter and Rubbermaid resin sheds compare?
This table uses only details each maker publishes in its listing. Blank snow load cells mean the maker does not publish a figure in the listing, not that the shed is weak.
| Model | Panel build | Floor | Published snow load | Interior details |
|---|---|---|---|---|
| Lifetime 7 x 7 | Dual-wall HDPE, steel supports and trusses | Dual-wall HDPE, included | Not published | Full-length skylight, 2 windows, 3 shelves |
| Lifetime 8 x 10 | Dual-wall HDPE, steel supports and trusses | HDPE, included | Not published | Skylight, adjustable shelf, 2 interior deadbolts |
| Lifetime 15 x 8 Dual Entry | Dual-wall HDPE, 5 steel trusses | HDPE, included | Not published | 8 skylights, 90 in. shelf, 4 corner shelves, tool corral |
| Suncast Tremont 8 x 10 | Steel-reinforced resin | Included | Not published | 547 cu. ft., 6 skylights |
| Suncast Tremont 8 x 13 | Steel-reinforced multi-wall resin | Included | Not published | 715 cu. ft., 8 skylights, 4 corner shelves |
| Suncast Modernist 7 x 7 | Multi-wall resin, full steel skeleton | Not listed as included | 40 lb per sq. ft. | 4 transom windows, vents |
| Keter Factor 8 x 8 | Polypropylene, steel-reinforced | Check listing | Not published | 420 cu. ft., interior 93 x 93.5 x 94 in. |
| Keter Artisan 7 x 7 | Polypropylene, steel-reinforced | Included | Not published | 292 cu. ft., interior height 86.5 in. |
| Rubbermaid 7 x 10 | Double-wall resin | Impact-resistant, included | Not published | Wall panels hold 75 lb each with accessories |
Beginner pick: small resin sheds for tools and a push mower
A 7 x 7 or 8 x 8 resin shed holds a push mower, hand tools, a wheelbarrow and garden supplies. These are the easiest kits to fit inside setback lines.
Lifetime 7 x 7 ft. Outdoor Storage Shed
$1,177.85The same dual-wall HDPE and steel-truss design as the larger Lifetime kits, shrunk to 7 x 7 with a full-length skylight, two shatter-proof windows, two screened vents and three shelves included. The floor is oil, stain and slip resistant.
Best for: garden tools and a push mower in a small yard
Check price on Amazon
Keter Factor 8 x 8 ft. Resin Storage Shed
$1,198.49Keter lists an interior of 93 x 93.5 x 94 in. and 420 cu. ft., so long-handled tools and a ladder stand upright. The wood-like texture looks less plastic than smooth panels. Confirm what foundation the listing calls for before ordering.
Best for: a square footprint that holds a mower and tall shelving
Check price on AmazonIntermediate pick: 7 x 10 and 8 x 10 resin sheds
These kits hold a push mower plus a snow blower or bikes, with room for shelving. Pick by what matters more: volume, organization or snow rating. The Suncast Tremont 8 x 10 review goes deeper on the volume pick.
Suncast Tremont 8 x 10 ft. Resin Storage Shed
$1,599.00The barn-style roof gives 547 cu. ft. behind lockable double doors, with six skylights, door windows and vents. Pre-cut, labeled parts help assembly.
Best for: bikes, a mower and patio furniture over winter
Check price on Amazon
Rubbermaid Extra Large 7 x 10 ft. Resin Storage Shed
$1,549.76Rubbermaid rates each wall panel to hold 75 lb using its shed accessories, so pegboard, shelves and bike hooks mount without a separate frame. The slanted roof directs water away and the floor is impact resistant. The lock is sold separately.
Best for: riding or push mowers plus hanging wall storage
Check price on Amazon
Suncast Modernist 7 x 7 ft. Storage Shed
$1,114.25The only resin kit here with a published snow load: 40 lb per sq. ft., supported by a full steel skeleton frame. Four transom windows and a flat modern look suit contemporary homes.
Best for: snowy regions that want a modern small shed
Check price on AmazonExpert pick: large and premium resin sheds
For lawn tractors, golf carts or a shed that sits in plain view of the patio, these are the largest and best-looking resin kits we track.
Suncast Tremont 8 x 13 ft. Resin Storage Shed
$2,299.99Suncast lists 715 cu. ft., eight skylights, four adjustable corner shelves and a floor, marketed for tractors and golf carts. Owners commonly report that assembly takes time and careful alignment, so plan a full weekend with a helper.
Best for: a lawn tractor or golf cart plus tools
Check price on Amazon
Lifetime 15 x 8 ft. Dual Entry Outdoor Storage Shed
$1,999.00Two sets of double doors mean the mower parks along one side and tools come out the other without a shuffle. Five steel trusses and an HDPE floor match Lifetime's smaller kits.
Best for: a riding mower plus a full set of yard equipment
Check price on Amazon
Keter Artisan 7 x 7 ft. Modern Storage Shed
$1,519.68A modern design with crystal-clear windows, vents, a floor and an 86.5 in. interior height. At this price you pay for appearance more than space, which is the right call when the shed sits beside the house.
Best for: a shed near the house that has to look good
Check price on AmazonWho should not buy this tier: Skip large resin sheds if your yard sees very high winds and you cannot anchor to a slab or a timber frame, or if you want to hang heavy shelving anywhere you like: resin walls only take loads at reinforced points or with brand accessories. Buyers who want the most floor for the money should look at a steel shed, and anyone wanting to paint and modify freely should consider wood.
How do the resin shed picks compare on specs?
| Model | Price | Width | Depth | Height | Material | Floor included |
|---|---|---|---|---|---|---|
 Lifetime 8 x 10 ft. Outdoor Storage Shed | $1,478.85 | 8 ft | 10 ft | - | HDPE resin, steel reinforced | Yes |
| Lifetime 7 x 7 ft. Outdoor Storage Shed | $1,177.85 | 7 ft | 7 ft | - | HDPE resin, steel reinforced | Yes |
| Keter Factor 8 x 8 ft. Resin Storage Shed | $1,198.49 | 8 ft | 8 ft | 8 ft | polypropylene resin, steel reinforced | - |
| Suncast Tremont 8 x 10 ft. Resin Storage Shed | $1,599.00 | 8 ft | 10 ft | - | resin, steel reinforced | Yes |
| Rubbermaid Extra Large 7 x 10 ft. Resin Storage Shed | $1,549.76 | 7 ft | 10 ft | - | double wall resin | Yes |
| Suncast Modernist 7 x 7 ft. Storage Shed | $1,114.25 | 7 ft | 7 ft | - | multi wall resin with steel frame | - |
| Suncast Tremont 8 x 13 ft. Resin Storage Shed | $2,299.99 | 8 ft | 13 ft | - | resin, steel reinforced | Yes |
| Lifetime 15 x 8 ft. Dual Entry Outdoor Storage Shed | $1,999.00 | 15 ft | 8 ft | - | HDPE resin, steel reinforced | Yes |
| Keter Artisan 7 x 7 ft. Modern Storage Shed | $1,519.68 | 7 ft | 7 ft | 7.4 ft | polypropylene resin, steel reinforced | Yes |
Do resin sheds hold up to sun, heat and snow?
Sun: UV inhibitors in the plastic slow fading and brittleness. Lifetime, Keter and Suncast all describe their panels as UV protected or UV resistant. Owners in hot, sunny climates commonly report gradual color fading over years rather than cracking, and lighter colors stay cooler inside.
Heat: resin expands in heat. A shed built on an uneven base can see doors bind on hot afternoons. A level foundation and the included vents are the fix, and vents also cut heat buildup that shortens battery life for cordless tools stored inside.
Snow: most resin shed listings do not publish a snow load number. The Suncast Modernist does, at 40 lb per sq. ft. Steep roofs like the Lifetime design shed snow faster. Where no rating is published, brush heavy or wet snow off the roof with a soft roof rake, especially after storms of more than about a foot. Heavy wet snow can weigh several times as much as the same depth of powder.
Floors: an included floor is a real advantage, but resin floors need full support underneath. Point loads like a jack stand or kickstand can dent an unsupported floor, so set the shed on a flat, compacted base or slab. The storage shed guide covers base options step by step.
What should I check before buying a resin shed?
- Floor included: most Lifetime, Suncast Tremont and Rubbermaid kits include one; confirm on the listing for Keter models.
- Door width versus your mower: measure the machine with the chute folded and compare. See shed size for a riding mower.
- Locking: Lifetime includes interior deadbolts plus a padlock loop; Rubbermaid sells the lock separately.
- Anchoring: buy anchors suited to your base (concrete wedge anchors for slabs, lag screws into timber frames).
- Shelving and accessories: brand-specific shelf and hook systems avoid drilling panels.
- Kit weight and delivery: large kits arrive in multiple heavy boxes on freight.
Choosing what goes inside? Our snow blower and mower shed size page and bikes and yard equipment page give specific layouts.
How we chose
We did not test these products in person. Picks are researched from manufacturer specifications and owner manuals, engine and safety certifications where they apply, warranty terms, public recall records, and the recurring themes in verified owner reviews. We favor established brands with large review counts and parts support, match each pick to a real yard size or task, and place it in the tier where its price and capability actually belong.
Frequently asked questions
Which is better, a Lifetime or a Suncast shed?
Lifetime sheds use dual-wall HDPE panels with steel wall supports and trusses and include an HDPE floor, which owners describe as very stiff. Suncast Tremont sheds offer more interior volume thanks to the barn-style roof, for example 547 cu. ft. in the 8 x 10, and also include a floor. Choose Lifetime for rigidity and security features, Suncast for vertical storage space and a barn look.
How long do resin sheds last?
A well-anchored, steel-reinforced resin shed on a level foundation can last for many years because it cannot rust or rot. The usual failures are fading and brittleness from sun, doors that bind when the base settles, and roof panels that sag if heavy snow sits on them. Wash the shed yearly, keep the base level, clear heavy snow, and check that anchors stay tight to get the longest life.
Do resin sheds need a foundation?
Yes. Even resin sheds with an included floor need a flat, level, well-drained base under the whole floor. A compacted gravel pad inside a treated timber frame, a concrete slab or properly set pavers all work. Setting a resin shed directly on grass lets the ground settle unevenly, which twists the frame so doors stop closing and panels separate. The base also gives you a solid place to anchor the shed.
Can a resin shed hold heavy snow?
Some can, but most resin shed listings do not publish a snow load rating. The Suncast Modernist 7 x 7 is an exception, rated for 40 lb per sq. ft. on a full steel skeleton frame. Steep roofs like Lifetime designs shed snow faster. In snowy climates, pick a kit with a published rating or steel trusses and clear heavy or wet snow from the roof after large storms.
Are Keter sheds good quality?
Keter sheds are polypropylene resin with steel reinforcement, UV protection and a wood-like texture, and they are among the better-looking resin kits. The Factor 8 x 8 stands out for its tall 94 in. interior and 420 cu. ft. of storage, while the Artisan 7 x 7 includes a floor and clear windows. Owners generally treat them as solid mid-range sheds that need careful assembly and good anchoring.
Do resin sheds get hot inside?
Yes, any closed shed in full sun gets hot, and resin sheds with skylights can run warmer than the outside air on sunny afternoons. Built-in vents help, and lighter colors absorb less heat. Heat matters most for stored batteries, fuel and fertilizer, so keep battery packs indoors when possible, store fuel in approved cans, and place the shed where it gets afternoon shade if you can.
Researched, not professional advice. This page is compiled from published specifications, manuals, labels and owner-review consensus, not hands-on testing. Follow the manufacturer's instructions and product label, and consult a qualified professional where safety, chemicals, fuel or structures are involved. As an Amazon Associate we earn from qualifying purchases.