Weathersealing

Sikasil® WS-305 CN

Sikasil®WS-305 CN is a neutral curing silicone sealant with a high movement capability and excellent adhesion to a wide range of substrates.  Meets requirements of ASTM C 920 (class 50), TT-S00230C, TT-S001543A.

Sikasil® WS-290

Sikasil® WS-290 is a one-part, neutral-curing, ultra low-modulus silicone sealant that cures to a durable, flexible building sealant Sikasil WS-290 performs exceptionally well under dynamic conditions due to its ultra-low modulus, high extension/compression, recovery properties and strong adhesion to most building materials.  Meets the requirements of ASTM C-920, Type S, Grade NS, Class 100/50, Use NT, M, G, A, O; TT-S-00230C, Type II, Class A; TT-S-001543A, Class A; CAN/CGSB-1 9.1 3-M87, AAMA 808.3.

Sikasil® WS-295

Sikasil® WS-295 sealant is a one part, neutral cure silicone sealant for use in most common weatherproofing applications on a wide variety of materials. 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.