Mobile EPDM RV Roof Recoating Service
Coast to Coast RV Repair provides mobile epdm roof recoating service on-site at your campground or driveway across Florida - certified technicians, same-week scheduling.
Coast to Coast RV Repair provides mobile epdm roof recoating service on-site at your campground or driveway across Florida - certified technicians, same-week scheduling.
Certified technicians. $299 service call. Same-week scheduling. Call (866) 887-1199.
EPDM Oxidation Stages and When Recoating Is Still Effective
EPDM rubber roofs degrade through four observable stages that determine whether recoating or replacement is the correct intervention. Stage 1 (0-2 years in Florida): surface appears smooth, light gray chalk develops, wipes off with a damp cloth. Recoating at this stage achieves the longest new service life. Stage 2 (2-5 years Florida): chalk is thick and powdery, surface feels rough, oxidation depth under 0.5mm. Recoating is highly effective - coating adhesion to a properly cleaned Stage 2 EPDM surface exceeds 40 PSI pull strength. Stage 3 (5-8 years Florida): surface shows micro-cracking across the grain pattern, oxidation depth 0.5-1.5mm, small blisters may be present. Recoating is still viable if blisters are lanced and re-adhered and the substrate is dry. Stage 4 (8+ years Florida): deep cracking, oxidation depth over 1.5mm, delamination from substrate in multiple areas. Recoating at Stage 4 will not bond reliably - membrane replacement is required. Jesse Earl measures oxidation depth with a calibrated scribe and pocket depth gauge at five locations across the roof before recommending any coating job. The $299 service call fee includes this evaluation, and if the roof is a Stage 4, replacement is quoted separately rather than coating applied to a surface that cannot hold it.
EPDM Coating Products Used in Florida's Climate
Florida's combination of intense UV, high humidity, and frequent thermal cycling (roof surface temperatures routinely reach 155-175 F in direct summer sun) demands a coating formulated for these conditions. Dicor RP-CRC-1 is an EPDM-compatible water-based acrylic elastomeric coating designed to flex with the membrane through temperature cycles without cracking. Its elongation at break exceeds 200%, which accommodates the 1/4-inch per linear foot thermal movement common in a 35-foot EPDM roof panel. Protect All Roof Guard Plus is a silicone-based alternative that achieves higher UV reflectivity (Solar Reflectance Index of 107 versus Dicor's 95) but requires a longer cure window before rain exposure (24 hours versus Dicor's 4 hours). For Florida rigs that need to be back in service the same day or next morning, Dicor is the preferred choice. Coating must never be applied over wet or damp EPDM - moisture trapped under the coating creates blister pockets that eventually delaminate. Jesse Earl verifies roof deck moisture content below 12% with a pin-type moisture meter before any coating application, and reschedules if afternoon thunderstorms are forecast within the cure window.
Also see: Roof & Sealing Services
This page covers epdm roof recoating specifically. For the full range of roof & sealing services we offer, visit our Roof & Sealing service overview.
Case Study: EPDM Roof Recoating Repair
RV: 2016 Winnebago Vista 35B • Location: Sebastian Inlet State Park, Site 7 • City:
Symptom: Owner noticed the white EPDM roof had turned chalky gray and developed a rough texture that left white residue on a cloth when wiped. Two small interior ceiling stains appeared after the previous month's rain, but no active drip was present during dry weather.
Diagnosis: Jesse performed a flood test by covering the roof drains and adding 1 inch of water for 45 minutes. After draining, two damp spots appeared on the interior headliner corresponding to the ceiling stains. Moisture meter readings at those locations showed 18-22% moisture content in the wood substrate (dry baseline is 8-12%). The EPDM membrane surface showed oxidation depth of 0.8mm when measured with a pocket depth gauge on a scribe scratch - within the recoatable range (under 1.5mm deep oxidation). No membrane punctures or tears were found. Seams at all vent bases showed Dicor lap sealant that had pulled away from the membrane over 40-50% of the perimeter.
- 1. Cleaned the full 35-foot roof surface with Dicor RP-RC-1C rubber roof cleaner diluted 1:4, scrubbed with a medium-bristle brush, and rinsed - removed all chalk and oxidation residue, confirmed with white rag test showing clean cloth after wipe.
- 2. Re-sealed all vent and A/C base perimeters with Dicor RP-LPS-1C self-leveling lap sealant, applying a 3/8-inch bead over the old sealant trough and tooling it smooth with a plastic spreader.
- 3. Allowed the new lap sealant to cure for 4 hours (ambient temp 84 F, relative humidity 72%) before applying roof coating - per Dicor's minimum cure spec before top-coating.
- 4. Applied Dicor RP-CRC-1 EPDM roof coating by roller in two cross-directional passes, achieving a wet film thickness of 14-16 mils per pass for a 28-32 mil total dry film - verified with a wet film thickness gauge.
- 5. Allowed first coat to tack (approximately 2 hours at 84 F) before applying second coat perpendicular to the first, ensuring seams and previously sealed areas received an additional brush pass for full encapsulation.
- 6. Conducted a final flood test after 72-hour cure: no moisture ingress at either previously stained interior location, moisture meter readings returned to 9-11% at both spots.
Outcome:
Time on-site: • Total cost: • Dealer alternative:
EPDM Roof Coatings - Florida Performance Comparison
| Product | Type | Dry Film Thickness | Florida Rain Wait | Solar Reflectance Index | Coverage (sq ft/gal) | Approx Cost (per gal) |
|---|---|---|---|---|---|---|
| Dicor RP-CRC-1 | Water-based acrylic elastomeric | 28-32 mils (2 coats) | 4 hours | SRI 95 | 80-100 | $42-$48 |
| Protect All Roof Guard Plus | Silicone elastomeric | 20-24 mils (2 coats) | 24 hours | SRI 107 | 70-90 | $52-$60 |
| Heng's Rubber Roof Coating | Water-based acrylic | 24-28 mils (2 coats) | 6 hours | SRI 88 | 85-110 | $36-$44 |
| Eternabond RoofSeal (tape + primer) | Butyl tape over cracks | N/A - spot repair only | Immediate | SRI 72 | Linear foot coverage | $28-$38/roll |
| Kool Seal Premium White EPDM | Water-based elastomeric | 24-30 mils (2 coats) | 8 hours | SRI 90 | 75-95 | $38-$46 |
Signs You Need EPDM Roof Recoating
- ✓Test oxidation depth with a scribe and pocket depth gauge at five roof locations before scheduling recoating
- ✓Verify roof deck moisture below 12% with a pin-type moisture meter before applying any coating
- ✓Perform a flood test before coating to identify all active leak points - coating over an active leak traps moisture
- ✓Re-seal all vent and A/C base perimeters with Dicor RP-LPS-1C before applying roof coating
- ✓Allow lap sealant to cure at least 4 hours before applying EPDM coating over sealed areas
- ✓Apply two cross-directional coats achieving 28-32 mil total dry film thickness - verified with wet film gauge
EPDM Roof Recoating - Pricing
Typical price range: $1,850 - $3,250
All calls start with a $299 service-call fee that covers the technician's trip to your location and the first hour of diagnosis. That $299 applies toward any repair you authorize - it is not an additional charge on top of the repair. Pricing shown is a national average range; your exact quote is provided in writing on-site before any work begins.
EPDM Roof Recoating - Common Questions
Straight answers from our epdm roof recoating service call log.
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More Roof & Sealing Services
Other specialized repairs under roof & sealing - all done at your location, no tow required.
Where We Provide EPDM Roof Recoating in Florida
Coast to Coast RV Repair runs epdm roof recoating jobs across these cities. Click your closest one for local-specific info, response times, and campground coverage.