Acid etch on fibreglass

[southgate]

Can anyone tell me if i can spray high-build primer straight over fibreglass gelcoat, or do i need to use an etch?

Adam

[steve_D]

You will need to both flat the gel coat then use an etch primer.
If you don't all will go pear shaped or should that be orange peel.

Steve

[southgate]

Thanks Steve