1-1,5% is very low. For gelcoat 2% usually is the standard. The second layer can even go on a bit hotter. You can mix in some laminating resin into the second coat, which usually helps to smooth things out a bit better.
1-1,5% is very low. For gelcoat 2% usually is the standard. The second layer can even go on a bit hotter. You can mix in some laminating resin into the second coat, which usually helps to smooth things out a bit better.