Sikasil® WS-300 S

High performance silicon weatherproofing sealant

Sikasil® WS-300 S is a durable, neutral-curing silicone sealant with good adhesion to a wide range of substrates. It is particularly suited as a sealant for shop fronts, glass partition walls and other applications.  

  • Easy to apply
  • Very good UV and weathering resistance
  • Adheres well to many substrates including glass, metals, coated and painted metals, plastics and wood
  • Conformity with LEED v4 EQc 2: Low-Emitting Materials