High Performance Silicone Sealant


ALSEAL High Performance Silicone Sealant is a one-component, high performance 100% neutral cure silicone sealant formulated to give superior adhesion and durability in a wide range of glazing, weather sealing and industrial applications. It complies with the FDA testing method intended for direct food contact. It has excellent resistance to weathering, UV radiation, vibration, moisture, ozone, temperature extremes, airborne pollutants, and many cleaning detergents and solvents.

Ideal for sealing metal lap joints in roofing, guttering, and cladding applications. It will bond to form a strong weatherproof seal on most common building materials such as aluminium, galvanized and zinc-coated steel, painted surfaces, glass, brick, concrete and mirror bonding.


  • 100% neutral silicone
  • ASTM C920 compliant
  • FDA compliant
  • Excellent weathering resistance
  • Permanently flexible
  • Indoor and outdoor use

Available colours: Translucent, white, grey & black

Product codeContentCarton Quantity
24 Cartridges / Carton
20 Saudages / Carton
AS-205 High Performance Silicone Sealant