G&B (Northwest) Limited

Cure It

Manufacturer: G&B (Northwest) Limited 

Materials: Glass Reinforced Resilient Unsaturated Polyester Resins (GRP) 

The kit consists of the following components:
• Cure It GRP Roofing Resin — a polyester resin (summer, intermediate or winter grades)
• Cure It GRP Roofing Topcoat — a pigmented polyester resin (summer, intermediate or winter grades)
• Cure It Hardener — a methyl ethyl ketone peroxide catalyst (summer and winter grades)
• Cure It Reinforcement Mat — glassfibre mat for reinforcing the system, available in 450 g·m–2 and 600 g·m–2
• Cure It Preformed Edge Trims — factory-manufactured GRP trims
• Cure It Trim Adhesive — for use with the trims
• Cure It Concrete Primer — a sealer used for concrete substrates.

ETA logo

Number: 20/0908
Issue date: 04/12/2020

Approved for use on

Flat Roofs Pitched Roofs 

For use as a liquid-applied roof waterproofing on flat and pitched roofs


Concrete Timber 

For use as a liquid-applied roof waterproofing on flat and pitched roofs on the following substrates:

• concrete
• OSB 18 mm tongue and groove.


25 Years 

The provisions made in this European Technical Assessment are based on an assumed working life for the roof of 25 years. The indications given in the working life cannot be interpreted as a guarantee given by the producer, but are regarded only as a means for choosing the right products in relation to the expected economically reasonable working life of the works

Puncture Resistance

P2 - accessible for maintenance of the roofing only

Least compressible (eg concrete)

Fire Safety

external fire performance — BROOF (t4)(1)

(1) The kit achieved a classification under EN 13501-5 : 2005 + A1 : 2009 of BROOF(t4) on a system consisting of 18 mm OSB3 board, one coat of Cure It GRP Roofing Resin at 1.5 kg·m–2, one layer of 450 g·m–2 chopped strand mat, and one coat of Cure It GRP Roofing Topcoat at 0.5 kg·m–2 tested in a flat position.

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