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A glass fibre reinforced, polyester resin, cold applied joint free waterproofing system.
The Polyroof 185 System is a seamless, cold liquid applied and fast curing roofing system comprising of glass fibre reinforced Polyester resin. The system is designed for use on flat or slightly inclined warm or cold roofs and withstands normal foot traffic without additional protection. It is also suitable for green or inverted roof applications and is used in both new build and refurbishment situations. Polyroof 185 is applied to a plywood decking – Finnforest Spruce II/III or WISA Spruce II/III to Finnish Standard or APA BCX to American Plywood Association Standard, which should be specified in section K11. Polyroof 185 is BBA approved and is available with an insurance-backed guarantee for 20 years for specifications approved by Polyroof Products Ltd prior to the start of a contract.
Plywood decking to be dry, sound and free from loose material or contamination. Tape joints with 75 mm Polyroof glass fibre tape. Fix in place all roof trims.
Polyroof Products Ltd manufacture a range of rigid GRP trims and flashings.
Polyester based system with glass fibre reinforcement
Polyroof 185 System
|Minimum dry film thickness|
Grit added (120 gm/litre) to Flexi-Resin 185C final coat
At 1.2 litres/m2, synthetic lamsbwool roller applied with Polymat glass fibre reinforcement
At 0.6 litres/m², synthetic lambswool roller applied
|Standard product features|
Polyester based system with glass fibre reinforcement.
Approved plywood boards are to be installed with a minimum of 8 fixings per square metre. 3 mm expansion gaps are to be left between boards with 20 mm gaps at wall abutments. Contact Polyroof Technical Services for advice roof areas over 100 m².
– 18 mm plywood:
Kingspan Thermaroof TR26. Consult Polyroof technical services for suitable insulation grades.
Vapour Control Layer:
1000 gauge Visqueen or Monarflex Monofilament 250VB
Polyroof GRP trims.