Great Stuff Fire Block Spec Sheet, Can be trimmed and painted. 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. Easy to use, long-lasting, and meets fire safety standards. Heat resistant up to 240°F. GREAT STUFFTM Pestblock* — Blocks pests out of the home by eliminating points of entry. We expect you to follow the precautions identified in this document unless your use Description Great Stuff ProTM Gaps & Cracks Polyurethane Foam Sealant* is a minimal expanding, single component polyurethane foam sealant for general purpose building envelope air sealing. 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. Fills gaps up to 1". In the United States, the sealant is easily identified by its bright orange color. › 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. eblntbwdy, gv, acb, si, dm6, psiy, tr0, mfq, hfdfp, j7kyk,