Fibrecoat PU Primer 4kg tin


The Fibrecoat PU Primer is a single component, low viscosity primer/activator designed for priming non-porous surfaces such as exposed metal, PVC, old polyurethanes, polyurea coatings, glass and GRP before proceeding with applying the Fibrecoat system.



Only for use with Fibrecoat

Please note this product can only be used with the Fibrecoat roofing system and is not compatible with the Fibrelast GRP system

Compatible surfaces

You can use the Fibrecoat PU primer with the Fibrecoat system on a number of different roofing surfaces.

    • Aluminium
    • Corroded steel
    • Corroded galvanising
    • GRP
    • Galvanising
    • Insulation board
    • Mild steel
    • Painted surface
    • Slate and tiles
    • Single Ply (PVC)

Application guide

The primer is applied with a roller or bush up to 200g/m2 depending on the condition of the surface. The Fibrecoat PU primer will evaporate leaving a pattern of molecules activating the surface of the substrate. After the primer appears dry, apply the Fibrecoat resin system. For more information visit our support section or contact a member of staff.

Curing times

General curing times for the Fibrecoat PU primer, please note these times will vary due to changing operating conditions.

Touch dry

Maximum overcoating

Minimum overcoating


The best guarantee is the one you’ll never have to use, but just in case our Basecare protection has you covered.

Fibrecoat is protected by our industry-leading Basecare guarantee that includes a range of benefits from standard product protection, approved contractor installation cover and our unique first 5 year Basecare+ warranty.


Fibrecoat can be covered for up to 25 years depending on application

Additional information
Weight 6 kg

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