Choosing a roof membrane is a practical decision about sheet size, thickness, and what the job actually needs. In the roofing, gutters, and waterproofing aisle, two EPDM rubber rolls stand out: the Uimoso roll and the 50 Mil roll. Both are EPDM synthetic rubber membranes, but they are sized and priced differently, so the right pick comes down to the area you are covering and how you want to lay the membrane. The main question is which roll's coverage shape fits the space you are working with.
Quick verdict: The Uimoso roll is the pick when you need a wide sheet for a larger surface, while the 50 Mil roll is the choice when its roll format fits your layout better. So your decision is mostly about which roll shape fits the surface you are working with.
| Option | Listed price | Price bar |
|---|---|---|
| Uimoso 10 x 15 ft EPDM Rubber Roll for Roofing, RVs, and Ponds | USD 139.99 | |
| 50 Mil EPDM Rubber Roofing Materials Roll 39 in x 32.8 ft | USD 307.66 |
Where the Uimoso wins: The Uimoso's listed dimensions give you a single flat sheet with more coverage area than the 50 Mil roll. It is designed for roofing, RVs, and fish ponds, and its pliable design is meant to fit over roof contours.
Where the 50 Mil wins: The 50 Mil roll lists a thicker 50-mil membrane compared with the Uimoso's 45-mil membrane. It is intended for flat and pitched roof applications, making it a strong match for roofing-focused waterproofing.
Uimoso EPDM Rubber Roll for Roofing, RVs, and Ponds
This single membrane gives you a wide, flexible sheet that can be used for roofing, recreational vehicles, and fish ponds. The listed net weight is 39.68 lbs, and the pliable rubber is designed to fit roof contours. It covers a broad surface in one piece, so you can plan around a larger single sheet rather than a narrow strip. Choose it when a broad surface is the priority. The trade-off is that its 45-mil listed thickness is thinner than the 50 Mil option, so if maximum thickness is your deciding factor, this one may not satisfy you. If your work is on a roof, RV, or pond, this roll's broad shape is a practical match.
50 Mil EPDM Rubber Roofing Materials Roll
This roll provides a long, narrow EPDM membrane that forms a continuous waterproof barrier and is suitable for flat and pitched roofs. The roofing-focused design makes it a practical option when you want to cover a surface in one strip. Its listed weight is 34.1 pounds. For a waterproofing job that calls for a longer run, this roll is worth your attention. The limitation is that its listed width covers less total area per roll than the Uimoso option, so on a very large surface, the per-roll coverage will be smaller.
Final choice by use case
- For a large single-sheet application: Uimoso EPDM Rubber Roll.
- For a membrane with a rolled layout: 50 Mil EPDM Rubber Roofing Materials Roll.
- If the lower listed price and larger single sheet carry more weight, the Uimoso is the easier call; if the way the roll length fits your space matters more, go with the 50 Mil option.
