ISOPON P40 is the ideal choice for repairing and priming rust holes up to 75mm wide in most types of metal ready for painting.

Fibreglass reinforced formula.

It is easy to apply, it is extremely strong, lightweight and weatherproof and will bond fast to metal and glass fibre.

Tough, durable and easy to sand filler.

Easy to mix and can be used with aluminium mesh (sold separately) to bridge holes up to 75mm in diameter.

Sets in 20 minutes.

Bonds to metal and glass.

Weatherproof. 

Pink / red colour on drying.