Sikasil WS-295 Neutral Cure Silicone Weathersealing is a premium-grade, neutral cure silicone sealant engineered for high-performance weatherproofing and perimeter sealing applications in commercial and architectural construction. Designed to deliver exceptional durability and flexibility, this sealant provides long-term protection against air infiltration, moisture penetration, UV exposure, and extreme weather conditions.
Its neutral cure formulation offers excellent adhesion to a wide range of substrates including glass, aluminum, metal panels, masonry, and other common building materials without causing corrosion or staining.
APPROVALS / STANDARDS
- Meets the requirements of ASTM C920, Type S, Grade NS, Class 50, Use NT, M, G, A
- SWRI validated acc. to ASTM C719 (No. 123-SIK295)
- Tested acc. to ASTM C1248 for staining on porous substrates
- Meets the requirements of ASTM C1184
- Federal specification TT-S-00230C, Type II, Class A
- Canadian Standard CAN/CGSB 19.13-M87