Product Description
Sikasil WS-295 is a professional-grade, one-part neutral cure silicone sealant formulated for a wide range of weatherproofing applications. It is ideal for conventional glazing, glass-to-glass butt joint glazing, and sealing expansion and control joints in precast concrete panels and metal curtain walls. This sealant meets stringent industry standards including ASTM C920, Type S, Grade NS, Class 50, ensuring excellent adhesion, UV and ozone resistance, and non-staining properties on most porous substrates. Sikasil WS-295 features a medium modulus that accommodates joint movement of ±50%, providing flexibility for structural shifts without compromising seal integrity. It offers excellent gunnability in all temperatures, facilitating ease of application in various job site conditions. Suitable for unitized curtain wall systems and perimeter weather sealing of doors, windows, and other building components, Sikasil WS-295 delivers durable and reliable weatherproofing performance for construction professionals.
