fiberglass drilling?
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=53559
Printed Date: November 03, 2025 at 6:43 PM
Topic: fiberglass drilling?
Posted By: WILL85IROC
Subject: fiberglass drilling?
Date Posted: April 08, 2005 at 5:42 PM
can fg be drilled or cut after its shaped and hardened???? (before painting...) or should all holes and cutouts be done before??? thanks all...:oops:
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" WILL85IROC "
Replies:
Posted By: Rick_h
Date Posted: April 08, 2005 at 6:19 PM
Drills cuts sands just fine after curing. Take your time though or it may crack if you force it.
Rick H...
Posted By: WILL85IROC
Date Posted: April 08, 2005 at 7:33 PM
is it that strong that i would have to use force? or is it like drilling screws thru wood? thanks...
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" WILL85IROC "
Posted By: Rick_h
Date Posted: April 08, 2005 at 7:56 PM
Watch screwing in screws....
If you "wedge" screws in or over torgue them down I think it will crack.
You gotta pre drill the holes to the proper size so the screw is not wedging the figerglass.
Rick H...
Posted By: auex
Date Posted: April 08, 2005 at 10:08 PM
Well, you should predrill any holes for screws. As for cutting, if you are doing a FG box with fleece then I usually cut the speaker holes out after the first layer with a razor blade. You need to pay attention to the ring while glassing ensure that the resin went through the fleece well. I trim the excess at edges after the all the glass has been laid and before I start sanding.
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