Prosil 40

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Product Overview


PROSIL 40 is a premium one part moisture curing, 100% calcium carbonate filled, high performance neutral cure silicone sealant designed to give superior adhesion and durability in a wide range of materials and applications.
It will bond to form a strong weatherproof seal on most common building materials such as: glass, cement, concrete, ceramic, steel, aluminium, brick, concrete, most plastics etc. Weathering and UV resistance is excellent and its superior physical properties are retained over many years exposure.

PROSIL 40 has excellent adhesion properties superior to most other silicone and will adhere to most common building materials including : Glass, aluminium, concrete, plastics, wood, masonry and most powder coated surfaces.

  • Matt finish
  • Firm hardness once cured
  • Superior Adhesion
  • Will not corrode metals


PROSIL 40 is ideal in glazing applications where a matt finish is required:

  • General purpose glazing, colonial bars, and structural butt joints.
  • Suitable for expansion joints and saw cuts in concrete floors and blockwork.
  • Weather-sealing of high rise buildings, Installation of solar panels.
  • It is also often used in truck and caravan assembly due to its excellent adhesion.




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