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Silfix® U8

Silfix® U8

Silfix® U8 Uses

  • Low modulus, neutral cure, solvent free, silicone sealant.
  • Sealing curtain walling and pre-formed panels.
  • Sealing of construction joints where movement can occur
  • Bonding and sealing of PVCU trims and components
  • General weather and draft-proofing applications
  • Specifically formulated and suitably packaged for the professional applicator.
  • Available in 380ml cartridges


Silfix® U8 Key Features

  • Low modulus, neutral cure (25LM)
  • Excellent tooling properties
  • Low odour
  • CE marked for facade and glazing applications
  • Available in a wide range of colours: PVCU White, Brown, Black, Brick Red, Buff, Grey, Anthracite Ral 7012, Dark Anthracite 7016, Portland Stone, Mid Grey and Magnolia

Silfix® U8 Properties


Application temperature range:

+5°C to +40°C


Skinning time:

Skin forms after approximately 30 minutes at 23°C @ 55% RH.


Shelf life:

12 months


Curing rate:

Cures at a rate of 2 –3 mm in 24 hours at 23°C @ 55% RH. Lower temperatures and drier conditions will result in a slower rate of cure.


Working time:

Approximately 15 minutes.

Silfix® U8 Technical

Product Data Sheets

Silfix U8


Safety Data Sheets

Silfix U8


Declaration of Performance Certificates

Silfix U8 DOP


See all Technical Documents


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