U-POL B polyester glass fibre filler is used for bridging holes and rust in surfaces such as steel and GRP.
It is ideal for bridging and bonding. U-POL B is suitable for vehicles such as cars, trucks, caravans, CV/transport and boats.
Very hard durable surface
Can be sanded and shaped
Water resistant when cured
Supplied with suitable hardener
Can easily be covered with standard
polyester filler or can be over-painted directly