12OZ Fire Block Sealant

Great Stuff, 12 OZ, Fire Block Smart Dispenser Insulating Foam Sealant, Helps Impede The Spread Of Fire & Smoke ThroughService Penetrations, Such As Pipes, Cables & Ducts, Tested According To ASTM E84, ASTM E814 Ul1715/ Recognized As An Alternative Fire Blocking Material, Bright Orange Colored Foam For Visual Inspection, Fills, Seals & Insulates Gaps Up To3/4" With An Airtight, Water Resistant Bond.