Sikasil WS-295 Weatherproofing Silicone Sealant

Sikasil WS-295 Weatherproofing Silicone Sealant

One part neutral cure silicone sealant for use in common weatherproofing applications with +/-50 joint movement capability. Available in 7 colors.

Product Description

Sikasil WS-295 is a one part, neutral cure weather sealing silicone building sealant. Meets the requirements of ASTM C-920, Type S, Grade NS, Class 50, Use NT, M, G, A, O; TT-S-00230C, Type II, Class A; CAN/CGSB-19.13-M87, AAMA 802.3 Type II, AAMA 803.


  • For sealing expansion and control joints in precast concrete panels and metal curtain walls
  • As a weatherseal in both conventional glazing and structural glazing* applications, including cap, toe and heel beads
  • As a weatherseal in glass to glass butt joint glazing
  • Perimeter sealing of doors, windows and other building components
  • Adhering stiffeners to building panels
  • Excellent for use in unitized curtain wall systems


  • Adheres to a wide variety of substrates
  • +/-50 Joint Movement capability
  • Neutral cure


White, Colonial White, Aluminum, Limestone, Black, Bronze, Medium Bronze

Sikasil WS-295 Weatherproofing Silicone Sealant Product Data Sheet

Sikasil WS-295 Silicone Sealant SDS