Description
Sikasil® WS-355 N | Weather Sealing
Sikasil® WS-355 N is a neutral curing silicone sealant with a high movement capability and
very good adhesion to porous and non-porous substrates. It has been developed as weather seal specific on natural stone.
PRODUCT BENEFITS
▪Does not stain areas adjacent to the joint
▪Meets requirements of ASTM C 920 for Type S, Grade NS, Class 50 (movement capability
± 50 %), ASTM C 1248
▪Very good UV and weathering resistance
▪Adheres well to natural stone, concrete, glass, metals, coated and painted metals, plastics and wood
AREAS OF APPLICATION
Sikasil® WS-355 N is a high-performance sealant suitable for jointing natural stone, such as
marble, granite, sandstone and quartzite.With these materials, no staining of the joint
edges occurs, unlike with conventional silicone sealants.Sikasil® WS-355 N is used for sealing facades,e.g. cladding of natural stone or other materials.
This product is suitable for experienced professional users only. Tests with actual substrates and conditions have to be performed to ensure adhesion and material compatibility.
https://industry.sika.com/en/home/building-components/facade/weather-sealing/sikasil-ws-355-n.html
