ThermaFoam Wide Spray Expanding Polyurethane Foam Sealant

Seal Wide Gaps Fast — With Professional-Grade Insulation

Whether you're tackling a drafty wall cavity, a wide joint around a window frame, or gaps in your foundation, ThermaFoam Wide Spray Insulation Foam gets the job done in fewer passes. Its wide spray pattern delivers expanding polyurethane foam exactly where you need it — sealing, insulating, and bonding in one step. Once cured, it's paintable, trimmable, and built to last indoors and out.

Key Features

• Wide Spray Pattern: Fills wide gaps, cavities, and joints efficiently with fewer passes
• One-Component, Closed Cell Formula: Suitable for both indoor and outdoor applications
• High Thermal Performance: R-5.66 per inch to improve insulation and reduce air leakage
• Class-A Fire Rated: Certified per ASTM E84 (FSI ≤ 15 and SDI ≤ 40)
• Strong Multi-Surface Adhesion: Bonds to wood, concrete, masonry, metal, and drywall
• Paintable & Trimmable: Once cured, it can be cut, trimmed, and painted to finish