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Dow Corning 781 Sealant
Dow Corning 781 Sealant

Dow Corning 781 is a white coloured part silicone sealant which offers superb adhesion to a variety of non-porous surfaces including aluminium, glass, composite boards and painted surfaces. It also benefits from fast curing properties and provides resistance to shrinkage, discolouring, cracking and aging. Cartridge size: 310ml.




  • £8.99

  • £10.79

    inc VAT


TypeAcetoxy Silicone Sealant
Work Time5-10 minutes
Application temperature range+5 to +40°C

Features & Benefits

  • High modulus – acetoxy cure type
  • Fast cure – tack free in one hour
  • Working time of 5-10 minutes
  • Listed by the UK Water Regulations Advisory Scheme (WRAS) for use in contact with potable water once cured
  • Conforms to ISO 11600-F&G-20LM
  • 100% recovery
  • Excellent weatherability
  • Application Temperature Range +5 to +40°C
  • Joint movement capability +/– 20%

Main Uses

Suitable for glazing applications, weathersealing of sheet cladding, curtain walls, draught proofing and general internal sealing applications.
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