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  • Silfix U9 Silicone Sealant White

Silfix U9 is widely regarded as one of the best low modulus silicone sealants available. Conforming fully to the requirements of BS 5889 Type A and ISO11600 classification G-25-LM, it offers outstanding performance across a wide variety of glazing, industrial and construction applications. It has excellent adhesion to glass, timber, metals, brickwork, plastics and concrete and does not normally require a primer. Premium quality, low modulus, neutral cure silicone sealant. Excellent adhesion to glass, timber, metals, brickwork, plastic and concrete. Conforms to ISO 11600 G-25 LM. Tested to EN 15651-1:F-EXT-INT-CC, EN 15651-2:G-CC and EN 15651-3 S (Translucent tested to parts 1 and 2 only).


Capping and bedding of glass and insulating glass units in bead glazing systems. For sealing joints between GRP panels and roof sheets, trims and flashing in roofing and cladding, PVCu, aluminium, steel, timber frame and door surrounds, construction, and industrial applications.

  • Excellent adhesion to a wide range of materials
  • Suitable in many applications
  • Excellent tooling
  • Suitable for use with laminated glass
  • Superior performance across a wide range of temperatures


Application temperature range: +5°C to +40°C
Curing rate: Cures at a rate of 2mm in 24 hours at 23°C @ 60% RH. Lower temperatures and drier conditions will result in a slower rate of cure.
Shelf life: 12 months.
Skinning time: Skin forms after approximately 20 minutes at 23°C @ 55% RH.
Working time: Approximately 15 to 20 minutes depending on conditions.

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Silfix U9 Silicone Sealant White

  • Product Code: FG000028
  • Availability: 10
  • £4.49

  • Ex Tax: £3.74