Body filler is vary heavy. I personally don't ?us the primer. I have no trouble seeing were to stop sanding.
Paul ViskBelleville Il618-406-4705 -------- Original message --------From: Chris Prata via KRnet <krnet at list.krnet.org> Date: 8/14/2015 10:31 AM (GMT-06:00) To: KRnet <krnet at list.krnet.org> Cc: Chris Prata <chrisprata at live.com> Subject: Re: KR> Filling low spots in cured fiberglass without spending $200 on a can of EA960F the article suggests laying on a coat of black primer before filling, to help visualize the topography during sanding. ?
