Sikasil® WS-605 S

High-performance, non-streaking silicone weatherproofing sealant, CE-marked

Sikasil® WS-605 S is a durable, neutral-curing silicone sealant with a high movement capability and excellent adhesion to a wide range of substrates. Non-streaking properties on non-porous substrates and non-staining properties on porous substrates. It is particularly suited as a weather seal for structural glazing, curtain walling and windows.  

  • Non-streaking on non-porous substrates
  • Non-staining properties on porous substrates
  • Outstanding UV and weathering resistance
  • Adheres well to glass, metals, coated / painted metals, plastics and wood
  • Meets requirements of ISO 11600 F 25 LM & G 25 LM, EN 15651-1 F EXT-INT CC 25LM, EN 15651-2 G CC 25LM, ASTM C 920 for Type S, Grade NS, Class 50 (movement capability ± 50 %), ASTM C 1248, AENOR Marca N F+G 25 LM
  • Provided with CE-mark according to EN 15651-1:2012, F EXT-INT CC 25LM, EN 15651-2:2012, G CC 25LM, certified by Control Body 1119
  • SNJF Façade & Vitrage 25 E (product code: 2885, 2891) for colors Black, Grey and White
  • Complies with common VOC requirements:
    Indoor Air Comfort: pass, EMICODE: EC1 Plus, French VOC Regulation: A+, BREEAM International (v.6 2021)/BREEAM NOR (v.6 2022): Exemplary Level, M1: pass, Global LEED v4/v4.1 beta EQc 2: Low-Emitting Materials: CDPH-IAQ SCAQMD Rule 1168