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pin holes in the bondo

Printed From: the12volt.com
Forum Name: Fiberglass, Fabrication, and Interiors
Forum Discription: Fiberglass Kick Panels, Subwoofer Enclosures, Plexiglas, Fabrics, Materials, Finishes, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=30535
Printed Date: May 28, 2024 at 10:14 PM


Topic: pin holes in the bondo

Posted By: ccjustin
Subject: pin holes in the bondo
Date Posted: April 17, 2004 at 12:11 AM

Any auto body guys have an answer to my question? I have sanded and sanded my fiberglass sub box, 320 grit, i think its pretty smooth, but i have pin holes all over it. do I have to fill in every single air pocket with more bondo? What should I ignore and trust to primer to cover up. Thanks



Replies:

Posted By: dangerranger96
Date Posted: April 17, 2004 at 12:30 AM
if the pin holes are tiny, high build primer will cover them.  If the holes you are getting are a decent size, use some more bondo, but make sure to mix it correctly so that there are very little to no air bubbles in the bondo, thinly spreading this over it will fill in the pin holes, sand this down, then use high build primer.  After that it should be ready to finish.  Good luck




Posted By: Voodoosoup
Date Posted: April 17, 2004 at 12:31 AM
Do a search for glazing putty, read up. Then go buy yourself a tube. It works wonder on pinholes, scratches and other tiny imperfections.




Posted By: dangerranger96
Date Posted: April 17, 2004 at 1:02 AM

another way you can do this is also to mix in a little bit of resin, this will make it a little bit more runny, which will make it easier to fill in the pin holes, and smooth it out






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