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GREAT STUFF PRO GAPS & CRACKS GUN 30OZ

Dow Chemicals

Part # 342101 30oz

GREAT STUFF PRO Gaps & Cracks inhibits the spread of flames through concealed spaces. It???s a minimal-expanding, single component polyurethane foam sealant for general purpose building envelope air sealing. It fills gaps up to 3" (75 mm) and expands to take the shape of cracks and voids, forming a permanent, airtight and water-resistant bond to vinyl, wood and metal surfaces.


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