Bonding fiberglass to metal

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=35722
Printed Date: May 12, 2025 at 3:17 PM

Topic: Bonding fiberglass to metal

Posted By: terrrrrrrror
Subject: Bonding fiberglass to metal
Date Posted: July 16, 2004 at 9:30 PM

Ok, I have a Mazda MX-3 which is a hatchback.

The project I am working on right now is a custom hatch to look like a Del Sol. What I am doing is taking the otriginal metal frame and building the rest out of fiberglass. How do i get the fiberglass to stick to the metal?

I have looked alot of places and they have talked about cracking because the different expansion and contraction rates of metal and fiberglass.

Any info given would be greatly appreciated!!!

Replies:

Posted By: King_Midas
Date Posted: July 16, 2004 at 9:38 PM

bondo

Posted By: defective
Date Posted: July 16, 2004 at 9:43 PM

the best thing to stick steel to is fiberglass. dont worry about it.... you only have to worry about parts that will take impact. Thats why a polyurathane bodykit is more desirable.

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Posted By: audiomechanic
Date Posted: July 17, 2004 at 8:45 AM

rough the metal up with 36 or 40 grit, clean it with a good wax and grease remover type cleaner (acetone will work too) then go to town. smooth the feather the edges with duraglass and bodyfiller.

that should be fine.

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