HAPS-free, UV-stabilized lap sealant for horizontal RV roof surfaces. Compatible with EPDM, TPO, fiberglass, aluminum, and more. 10.3 oz. tube.
Flows and levels on horizontal surfaces — no tooling required
Won't deteriorate, discolor, or stain roofing materials
No Hazardous Air Pollutants — cleaner and safer formula
Works on EPDM, TPO, PVC, fiberglass, aluminum, wood, steel, and more
This is a self-leveling sealant — it will sag on vertical or angled surfaces. For sidewalls, termination rails, or any vertical application, use Dicor's Non-Leveling Lap Sealant instead. Recommended application temperature: 50°F – 70°F.
1. Clean surface of all dirt, loose paint, rust, oil, and grease 2. Allow surface to dry completely before applying sealant 3. In cold weather, warm container to room temperature before use 4. Use standard caulking equipment to apply a 1/4" to 3/8" bead Approximate Cure Times (at 50–70°F): • 5 Minutes — Skins over • 4 Hours — Waterproof • 48 Hours — 80% cure • 30 Days — 100% cure
• 501LSB — Black • 501LSD — Dove (Bright White) • 501LSG — Gray • 501LST — Tan • 501LSV — Ivory • 501LSW — White (this listing)
📥 Download SDS for Dicor 501LSW (PDF) Manufacturer: Dicor Products (an Airxcel brand) dicorproducts.com