Permanent, Weatherproof Protection for RV & Building Roofs

The HSS EternaBond RoofSeal Tape (35 mil total thickness) is a heavy-duty, commercial-grade sealing solution designed for immediate leak repair and long-term weatherproofing. Powered by advanced MicroSealant technology, this self-sealing tape creates an airtight, waterproof barrier that bonds directly to a wide variety of roofing materials.

Versatile Application Across Multiple Surfaces

Engineered specifically for demanding outdoor environments, it adheres instantly to EPDM, TPO, Hypalon, metal, aluminum, wood, fiberglass, and PVC. Whether fixing seams on an RV roof, sealing around vents and skylights, or repairing gutters and flashings, this UV-stable tape provides exceptional adhesion without requiring additional sealants or adhesives.

Designed for Extreme Conditions

With its 35 mil total thickness, the elastomeric backing remains flexible in cold temperatures and resists sagging, cracking, or melting under intense heat. The gray finish blends seamlessly with standard RV and commercial roof membranes, ensuring a clean, professional appearance.

Key Features & Specifications:

Dimensions: 35 mil thickness

Technology: Advanced MicroSealant formula with 100% solids

Compatibility: EPDM, TPO, metal, wood, fiberglass, PVC, and asphalt-free surfaces

Properties: UV-resistant, airtight, waterproof, and solvent-free

Application: One-step installation for RV roofs, seams, vents, flashings, and gutter leaks

Clean & Safe Formulation

Formulated without harsh solvents, volatile organic compounds (VOCs), or bitumen, making it safe for sensitive roof membranes and enclosed application areas.