GREAT STUFF PRO Gaps & Cracks 24 oz Insulating Foam Sealant N/A Made in US Must be used with GREAT STUFF PRO Series Dispensing Gun, sold separately.Comes in a can thats reusable for up to 30 days, minimizing waste (cans of straw-applied gaps & cracks can be used one time only) Recognized as a fireblock; inhibits the spread of smoke & flames through concealed spaces Minimal expanding for general purpose building envelope air sealing Fills gaps up to 3" and expands to take the shape of cracks and voids Forms permanent, airtight and water-resistant bond to vinyl, wood and metal surfaces