Class-A Fire Rated for Enhanced Safety: Stanley Fire Block offers superior fire resistance with a Class A fire rating, ensuring safer residential, commercial, and industrial applications. This UL-certified and ICC-approved product delivers enhanced protection and reliable performance across a wide range of environments. Fire-Block Technology: Designed to help impede the spread of fire and smoke, making it ideal for construction and repair projects where fire safety matters. Heat Resistant & Durable: Withstands extreme temperatures (-103°F to +194°F) for long-lasting performance in residential, commercial, and industrial settings. High Yield Expanding Foam: Fills, seals, and insulates wide gaps and cavities with excellent adhesion, reducing air leakage and improving energy efficiency. Versatile Applications: Perfect for spray insulation, sealing penetrations, securing window and door frames, and insulating electrical outlets. Stanley F952P Fire Block Spray Foam Sealant delivers professional-grade performance for sealing, insulating, and protecting. This expanding polyurethane foam offers high yield and excellent adhesion for filling gaps, joints, and cavities. Designed for use with a spray foam gun, it ensures precise application and reusability, ideal for both professionals and DIY spray foam insulation projects. Certified fire-blocking properties help prevent the spread of flames and smoke in walls, floors, and ceilings. Once cured, this insulation foam spray withstands temperatures from -103°F to +194°F and can be painted for UV protection. Perfect for construction foam applications, sealing around windows, doors, pipes, and electrical penetrations.