G4 Primer Sealers
G4 performs a vital function as a primer when bonding fibreglass to wood, metal and concrete. Apply to clean, dry and well prepared surfaces and leave until finger tacky then apply polyester resin and glassfibre. Consumption on wood or concrete 200g/ m2. Metal 100g / m2. Also, when applied to wood as a continuous film it forms a non-porous plastic coating which is tough and flexible. Apply 3 coats consumption approx 500g /m2 for all 3 coats.