Sikasil® WS-295 sealant is a one-part, neutral cure for use in most common weatherproofing applications on a wide variety of materials. Meets the requirements of ASTM C920, Type S, Grade NS, Class 50, Use NT, M, G, A, O; TT-S-00230C, Type II, Class A; CAN/CGSB-19.13-M87.

• Versatile medium modulus
• Unaffected by most atmospheric conditions
• Excellent resistance to UV and Ozone exposure

Usage

Sikasil® WS-295 silicone sealant has been specifically designed:

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

Advantages

• Versatile medium modulus
• Unaffected by most atmospheric conditions
• Excellent resistance to UV and Ozone exposure
• Non-staining to most porous substrates
• Joint movement ±50 >#/li###
• Excellent adhesion to most substrates and surfaces
• One-component, moisture-curing
• Excellent gunnability in all temperatures

Packaging

10 fl.oz. (295 ml) cartridge, 20 fl.oz. (600 ml) sausage, 2 gal. pails (7.6 L)

Color

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

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