Würth Expanding Foam Sealant for Big Gaps up to 3 inches, 12oz Can, Insulating Spray Foam

Wurth Expanding Foam Sealant - Big Gaps 3" is a high-performance solution designed to fill gaps and cracks up to 3 inches wide. This 12 oz can provides airtight, water-resistant, and weatherproof protection, effectively sealing out air, moisture, and pests. The foam is energy-efficient and performs well in low temperatures, making it perfect for both indoor and outdoor use. It’s ideal for a range of applications, including sound and thermal insulation, filling engineering holes, and sealing structural voids. The dust-proof formula ensures excellent adhesion, creating a durable, long-lasting seal. The foam becomes tack-free in just 10 minutes, and can be cut, sanded, or painted after 60 minutes. Easy to apply, it’s an excellent choice for DIYers looking to handle home repairs or insulation projects. The quick, 3-step application process—shake the can, attach the straw, and spray upside down—makes it user-friendly and convenient, even for beginners. Wurth Expanding Foam offers a fast, effective solution for a variety of sealing and insulating needs.