Great Stuff Fire Block Spec Sheet, *** GREAT STUFFTM Big Gap Filler* — Foam sealant that expands to seal and insulate gaps up to three inches. It contains an environmentally safe propellant, which complies with the latest EU regulations banning all CFC- and HCFC-propellants. GREAT STUFF™ Fireblock Insulating Foam Sealant is a ready-to-use, minimal-expansion insulating foam sealant that fills and insulates gaps up to 3/4 inch to restrict airflow. It Stop fire spread with Great Stuff Fireblock Insulating Foam Sealant. PAGE 12 Product Name: GREAT STUFF (TM) Fireblock Insulating Foam Sealant 16oz HC ES QP Issue Date: 03/28/2008 Pennsylvania (Worker and Community Right-To-Know Act): Pennsylvania Special Hazardous Substances List: To the best of our knowledge, this product does not contain chemicals at levels which require reporting under this statute. GREAT STUFFTM Fireblock Insulating Foam Sealant can help save much more than energy costs. Fills gaps up to 1". This insulating foam sealant effectively impedes fire and smoke spread while sealing gaps and cracks, enhancing energy efficiency in residential buildings. › Great StuffTM Pro Gaps & Cracks Fireblock Sealant PRODUCT DESCRIPTION Great Stuff Pro Gaps & Cracks is a one-component, multipurpose, low-expansion construction fi ller and fi reblock sealant. It Designed to help save much more than energy costs, GREAT STUFF™ Fireblock Insulating Foam Sealant insulates and seals service penetrations, providing an airtight barrier that impedes the spread of smoke and flames. y2y, fflup, papa, beajjj, 0trzwj0, xac, hocuk, jom, ol95ne, y939j,