What to use to grind/sand fiberglass? | SailNet Community
Joined Apr 2, 2011. ·. 646 Posts. #8 · Oct 26, 2011. 1) Place a fan directed to blow the grinding dust away from their face, low speed is usually enough, just enough to make the dust flow away. 2) Tape the wrists and ankles to seal the tyvek suit. 3) Use a Tyyvek hood.