Dicor EPDM Rubber Roofing

Dicor EPDM Rubber Roofing is a proven, durable choice for RV owners needing a reliable full roof replacement or major repair membrane.

4.4

HitchHaven score4.4 out of 5 · our editorial rating

One-piece EPDM rubber membrane for seamless RV roof coverage
Available in multiple widths (8.5', 9.5', 20') and lengths up to 50'
UV, ozone, and weathering resistant formulation
Compatible with Dicor EPDM lap sealant and bonding adhesive
Flexible in cold temperatures to resist cracking
Reinforced for puncture and tear resistance

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Overview Specs Pros & cons Full review Related

The verdict

Dicor EPDM Rubber Roofing is a proven, durable choice for RV owners needing a reliable full roof replacement or major repair membrane. Its seamless design and strong weather resistance make it a solid long-term investment, though proper installation with compatible EPDM adhesives and sealants is essential for best results.

Spec plate

Material: EPDM Synthetic Rubber
Standard Widths: 8.5 ft / 9.5 ft / 20 ft
Thickness: 0.045 inches (45 mil)
UV Resistance: High, formulated for continuous sun exposure
Recommended Sealant: Dicor EPDM Lap Sealant

Pros & cons

What we like

Long-lasting waterproof protection for RV and camper roofs
Flexible enough to handle roof expansion and contraction
Resists UV degradation better than many PVC alternatives
Seamless application reduces risk of leaks
Widely available replacement parts and sealants from Dicor line
Can be installed as full roof replacement or patch section

What to watch

Requires specific EPDM-compatible adhesives and cleaners
Heavier than TPO alternatives, slightly increasing roof weight
Can attract dirt and show staining over time without cleaning
Installation is labor-intensive and often needs two people
Not compatible with petroleum-based sealants

Full review

Dicor EPDM rubber roofing is a single-ply synthetic rubber membrane engineered specifically for RV, camper, and trailer roofs, offering a durable, weatherproof surface that protects against sun exposure, rain, and temperature swings. Made from ethylene propylene diene monomer, this material is prized in the RV maintenance world for its flexibility and resistance to UV degradation, ozone, and cracking over long-term outdoor use. Whether you're replacing an aging, chalky roof or doing preventative maintenance on a newer rig, Dicor's EPDM membrane provides a reliable barrier that keeps moisture from seeping into the roof decking and interior walls, which is one of the most common and costly issues RV owners face.

Installation-wise, Dicor EPDM roofing is designed to be workable for both professional installers and hands-on RV owners who want to tackle a full roof replacement themselves. It typically comes in large rolls that can be cut to fit various RV roof dimensions, and it pairs with Dicor's own line of primers, adhesives, and sealants to create a fully bonded, watertight system. The rubber surface resists the kind of granule loss and surface brittleness you often see with aging TPO or old-style EPDM roofs, and it maintains flexibility even in colder climates, which matters for campers that see seasonal storage or travel through varying weather. Many users appreciate that it doesn't require the frequent recoating that some other roofing membranes demand, making it a lower-maintenance long-term solution once properly installed.

For RV owners focused on upkeep, Dicor EPDM rubber roofing fits into a broader maintenance routine that includes periodic cleaning, inspection of seams and roof penetrations, and reapplication of compatible lap sealants around vents, skylights, and antennas. The membrane's resistance to mildew and staining helps keep the roof looking clean with basic washing, and its compatibility with Dicor's full ecosystem of roofing accessories means repairs or touch-ups down the line use products designed to bond seamlessly with the original material. For anyone maintaining a travel trailer, fifth wheel, motorhome, or pop-up camper, this roofing system represents a trusted, widely used choice for extending the lifespan of the vehicle's most weather-exposed surface.

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