TOPCOAT Surface Seal SB Primer, White (55 gal)

Solvent-based, sprayable thermoplastic rubber primer that cures into a seamless, reflective membrane. Designed to protect and flex with roof movement, ideal for modified bitumen and compatible roofing systems.

Key Features:

• Seamless Protection: Cures to a continuous thermoplastic rubber membrane for durable roof sealing
• High Reflectivity: Helps reduce surface temperatures and protect roof substrates
• Flexible Formula: Accommodates temperature-driven expansion and contraction
• Pro-Ready Application: Sprayable solvent-based primer for efficient coverage
• Tested & Approved: Meets ASTM standards; CRRC, Energy Star, Miami-Dade, Florida Building Code, UL, and FM approvals

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What surfaces is this primer intended for?
A: It’s formulated for roofing applications and commonly used as a primer on modified bitumen and compatible substrates per GAF guidance.

Q: How is it applied?
A: It is a sprayable, solvent-based product; follow the product data sheet for equipment, coverage rates, and application conditions.

Q: What is the color and packaging?
A: White color, packaged in a 55-gallon drum.

Q: What approvals and standards does it meet?
A: It aligns with ASTM D412, B117, C794, G21, D2196, D1475, E1644 and holds CRRC, LEED, Energy Star, Miami-Dade, Florida Building Code, UL Classified, and FM Approved statuses.

Q: What coverage can I expect?
A: Listed coverage area is 100 sq. ft. (9.3 sq. m). Actual coverage varies by substrate and application method.

A Gleaming, Seamless Shield for Modern Roofscapes

This primer sets the stage for a roof that reads crisp and refined, casting a clean white sheen that elevates the skyline. I love its thermoplastic rubber chemistry—supple yet resilient—creating a continuous skin that moves elegantly with the building. Pair it with cool, minimal metal details and charcoal coping for a chic, high-contrast finish. It’s the quiet luxury essential that protects while polishing the entire silhouette.

Elevate and protect your roof with TOPCOAT Surface Seal SB—order the 55-gallon drum today for seamless, high-performance coverage.