- Product Type:1K (1 component) Sealant
- Application Area:Window Frames
- Compatible Substrates & Surfaces:Steel, Plastics, Copper, Painted Surfaces, Zinc, Masonry, Aluminum, Metal, Glass, Wood, Ceramic, Concrete
- Cure Method:Moisture Cure, Chemical Cure, Air Dry
- Chemical Family:Silicones
WACKER® 440 - Glazing and Perimeter is a high-quality silicone sealant specifically designed for various applications such as construction, glass and window building, and industrial use. This one-component, neutral-curing sealant offers outstanding adhesion, a long shelf life, and excellent tooling characteristics. When exposed to atmospheric moisture at room temperature, WACKER® 440 - Glazing and Perimeter undergoes curing and transforms into a permanently flexible silicone rubber.