DAP 340g Max Fill Expanding Foam Sealant

DAP Max Fill Expanding Foam Sealant delivers professional-grade sealing power for demanding jobs. With triple expansion technology, it tackles gaps wider than 25 mm (1 inch), filling voids in foundations, crawlspaces, attics, and stud walls with ease. The weather-resistant formula creates an airtight, moisture-blocking barrier that boosts energy efficiency while keeping insects and pests out. Its paintable surface blends seamlessly into any space, making it equally effective for interior and exterior applications. Built tough for lasting performance.