Dicor EPDM Roof Cleaner/Activator Quart — 1 qt EPDM prep for acrylic roof coating, fast-drying low-odor

This Part 1 cleaner/activator is designed specifically for EPDM rubber membranes and removes surface contaminants so the two-part Dicor coating system bonds correctly. Fast-drying and low-odor compared with solvent-heavy cleaners, it helps create a uniform surface that improves coating performance and helps restore the roof’s appearance. The product is intended for rubber roofing only and should be rinsed off thoroughly after application.

How do I use the cleaner/activator safely on my RV roof?

Prepare by protecting nearby surfaces and wearing gloves and eye protection. Spray the solution on the EPDM surface, agitate if needed, then rinse completely with clean water. Allow the roof to dry before applying the acrylic coating per Dicor’s instructions.

• Cover sidewalls, end caps, and non-rubber parts with plastic sheeting to prevent damage.
• Use soft broom or low-pressure sprayer for even application.
• Rinse thoroughly to remove loosened dirt and cleaner residue.
• Wait for full surface dryness before proceeding to Part 2 acrylic coating.

What surfaces and conditions is Dicor RP-CRP-Q suitable for?

This formula is intended exclusively for EPDM rubber roofing membranes; it is not formulated for painted metal, fiberglass, or vinyl surfaces and can harm non-rubber materials. It tolerates EPDM with light residual impurities and prepares aged rubber for improved coating adhesion.

• Use only on EPDM rubber roofing on RVs and similar applications.
• Effective on surfaces with light dirt, oxidation, or weathering.
• Not for painted, gelcoat, or vinyl surfaces—protect those areas before use.
• Compatible with the Dicor acrylic roof coating Part 2 for a complete system.

How much coverage will one quart provide and how quickly does it dry?

A single 1-quart container covers approximately 125 square feet of EPDM roof surface when applied as directed. The cleaner/activator is formulated to dry quickly so the roof can be rinsed and prepped for the subsequent acrylic coating without long delays.

• Coverage: ~125 sq. ft. per 1 qt under normal conditions.
• Quick-dry formula minimizes downtime before coating application.
• Coverage can vary with porosity, roof texture, and application method.
• Rinse thoroughly to ensure no residue interferes with adhesion.

What precautions or preparation should I take before using this product?

Because the cleaner/activator targets rubber membranes, protect adjacent exterior components from contact. Use drop cloths or plastic to shield wipers, trim, decals, and non-rubber bodywork. Follow all safety and disposal guidelines on the label.

• Protect non-rubber surfaces with plastic sheeting before spraying.
• Wear protective gloves and eye protection during application.
• Avoid applying in direct sun on extremely hot surfaces to prevent premature drying.
• Dispose of rinse water and unused product per local regulations.

Who is this for: Dicor RP-CRP-Q is for RV owners, fleet managers, and professional roof technicians who need a targeted preparatory cleaner for EPDM rubber roofs before applying an acrylic restoration coating. If you’re restoring an aged rubber roof or preparing a new membrane for long-lasting coating adhesion, this product is the first step in Dicor’s two-part system to protect and renew EPDM surfaces.