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Silicone Sealants

Bostik Roof & Gutter Premium Silicone

The Bostik Roof & Gutter Premium range is a neutral cure, medium to high modulus silicone that is designed for sealing up joints in metal guttering, aluminium roofing, coloured roofing systems including Colorbond® steel products, flashings and downpipes and is specifically designed to meet Australian conditions. Bostik Roof & Gutter is ideal for sealing and weatherproofing window frames, light fittings, sky lights, plumbing applications and vents.


  • Excellent adhesion properties to a wide variety of substrates
  • Stays permanently flexible
  • ±25% Joint movement capabilities
  • Suitable for interior and exterior applications
  • Unaffected by rain, snow or extreme temperature change
  • Ultra violet resistant
  • Suitable for potable applications
  • Translucent and Grey tested to AS/NZS 4020
  • Excellent shelf life


  • Plumbing roofing applications 
  • Metal roofing systems 
  • Metal water tanks 
  • Spouting/flashing and downpipes 
  • Weather proofing applications 
  • Lap joints in Zincalume®, Colorbond® and other decorative sheet metal 
  • Skylights, metal and PVC flues and extraction units 
  • Pipe or sprinkler system penetrations 
  • Air conditioning ducting and sheet-metal fabrications 
  • General purpose adhesion and sealing for building materials such as steel, aluminium, glass, concrete, brick, ceramic and terracotta