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BOSS 389+ weatherproofing silicone sealant is a one-part neutral cure, construction grade sealant that easily extrudes in any weather. It quickly cures at room temperature by reaction with moisture in the air to form a durable, flexible silicone seal. It has medium modulus characteristics.

Features:

  • Neutral cure – suitable for use on masonry substrates & non-corrosive
  • Good weatherability
  • Excellent moisture resistance
  • Excellent adhesion properties on glass, laminated glass, coated aluminium, galvanised steel, concrete and masonry
  • Very good resistance to ageing

Applications:

  • Excellent unprimed-adhesion to most construction materials like ACP, glass, coated aluminium, wood, ceramic etc.

Colours:

Clear, black, white, dark grey & other colours available on request.

Packaging:

290 ml cartridges.

Quick info

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