G4 Primer Sealer is a clear moisture cured polyurethane primer-sealer for wood, metal, G.R.P or cement/concrete. It forms a non-porous plastic coating which is tough and flexible with excellent adhesion to most materials including GRP. Use as a bonding primer when sheathing wooden boats.
G4 Primer - Sealer 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.
Also, when applied to wood as a continuous film it forms a non-porous plastic coating which is tough and flexible.
• Apply by brush or roller
• Can be applied in poor weather conditions, high humidity and at temperatures down to 0°C.
• Moisture cured
• Drying Time: 60-90 minutes
• Coverage: 500g/sq.m