Gaps & Cracks Foam Sealant - Gun-Grade - 24 oz

• Format: 24 oz • Minimal-expanding foam formula designed for gaps, cracks, and penetrations without excessive expansion pressure • Forms a durable, airtight, and water-resistant bond with a moisture-resistant skin that prevents water infiltration • Cures in under 1 hour; trimmable in 30 minutes • Evaluated by the International Code Council as a fireblock penetration sealant per NER-645 • Wide operating temperature range: 25°F to 120°F (-4°C to 49°C); freeze-thaw stable • Yield equivalent to 26 tubes of caulk • Requires a Great Stuff Pro dispensing gun (BMR codes 021-4834 or 021-4807)