
SaleDuramax
DuraMax SideMate Plus Pro 10' x 4' Plastic Vinyl Outdoor Storage Shed with Double Doors 36825
or as low as $76.58/mo with Affirm
Extra-long 4x10 DuraMax sheds for narrow side yards. 40 sq ft of vinyl storage with free shipping and lift-gate delivery on every order.
Curbside lift-gate delivery on every order.
Every DuraMax shed backed by a 15-year warranty.
Found it cheaper? We'll match or beat within 24 hours.
Talk to a DuraMax expert Monday-Friday, 8-5 PST.

SaleDuramax
or as low as $76.58/mo with Affirm

SaleDuramax
or as low as $74.08/mo with Affirm

SaleDuramax
or as low as $73.25/mo with Affirm
A 4x10 shed solves the same problem as a 4x8 — narrow side-yard storage where wider sheds physically won't fit — but adds 25% more interior space for buyers with a longer footprint to work with. At 40 square feet of usable floor, a 4x10 DuraMax shed comfortably holds everything a 4x8 does plus a full workshop bench, ride-on mower, or second tier of vertical storage.
Every 4x10 shed in this collection is a genuine DuraMax product: fire-retardant vinyl panels on a galvanized steel frame, backed by DuraMax's 15-year limited warranty, and shipped free to your door with curbside lift-gate delivery automatically included. As an authorized DuraMax dealer based in California, Durasheds carries every 4x10 model in DuraMax's catalog — ivory, gray, and walk-in configurations.
The decision usually comes down to two factors: how long your side-yard footprint actually is, and how much storage capacity you need. A 4x10 adds eight additional square feet of floor space — enough for a workshop bench, a second bike, a snowblower, a full lawn-equipment lineup, or a tier of vertical shelving along an entire 10-foot wall.
If your installation footprint is 11 feet or longer, the 4x10 is almost always the smarter choice — same narrow 4-foot depth, meaningfully more usable interior. If your footprint maxes out at 9–10 feet, the 4x8 is the right call.
40 square feet of floor space — and 10 feet of continuous wall — opens up storage configurations that a 4x8 can't accommodate:
The 4-foot depth keeps the 4x10 in the same narrow-installation category as smaller sheds, but the extra length opens up new placement options:
Choose smaller (4x8): if your footprint is under 11 feet long, or if you only need the storage capacity of a basic bike+tool combo.
Choose 4x10 if: you need workshop-and-storage combined, or you have a long-narrow installation footprint where every additional foot of length adds real utility.
Choose larger (6x6, 6x8, or 10x8): if your footprint allows a wider shed and you'd benefit more from depth than length. Wider sheds give you a more square floorplan that's easier to organize and walk through.
Every order at Durasheds.com ships free to the continental United States, with free curbside lift-gate delivery automatically included — most retailers charge $75–$150 extra for that service. We back every shed with our Lowest Price Guarantee, register your 15-year DuraMax warranty for you, and offer Affirm financing at checkout so you can spread the cost over 3, 6, 12, or 24 months with no credit-score impact.
Comparing 4x10 models, sizing for your specific side-yard, or trying to decide between a 4x10 with end doors and a 10x4 with side doors? Our team of real DuraMax shed experts is available Monday–Friday, 8 AM to 5 PM PST. We'll help you confirm the fit, choose the right door configuration, and order in under 10 minutes — or learn more about who we are and why thousands of homeowners trust Durasheds as their authorized DuraMax dealer.
Talk to a DuraMax shed expert. We'll help you pick the right door configuration for your side yard in under 10 minutes.
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