Dicor HAPS-Free Self-Leveling Lap Sealant creates a secure, secondary seal along the roof’s edges, air vents, vent pipes, and screw heads. Compatible with EPDM, TPO, and PVC membranes, this sealant adheres firmly to aluminum, mortar, wood, vinyl, galvanized metal, fiberglass, and concrete.
• Designed for use on horizontal RV roof surfaces
• UV stabilized to prevent deterioration and discoloration
• Will not stain or discolor any roofing material
• HAPS-free formula provides a cleaner and safer work environment
• Makes it possible to continuously seal yet remain flexible
Before You Order
Confirm white is the desired color and the application is on a horizontal RV roof; the source lists compatible EPDM, TPO and PVC membranes plus several substrates.
Frequently Asked Questions
Where is this sealant intended to be applied?
The description says horizontal RV roof surfaces, including edges, air vents, vent pipes and screw heads.





