Fiberglass Sub Enclosure

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=16431
Printed Date: July 21, 2025 at 5:24 PM

Topic: Fiberglass Sub Enclosure

Posted By: DjIQ
Subject: Fiberglass Sub Enclosure
Date Posted: July 18, 2003 at 1:26 PM

The box im building is kind of complicated, so it would be a huge pain if not impossible to lay down my layers of fleece seperatly and staple them to the precisley to the MDF were its routed out with a rabbiting bit, I was wondering if I could just staple down three layers dry and then soak with the resin? Also should the three layers of fleece with resin be strong enough for the application? I want to make sure that when im done fiberglassing and using body filler that the sides are level with the rest of the box, casue im covering the actual box with vinyl, and the front containing the speaker rings will be painted. And Last question, Does The fiberglass have to be sanded before you apply the body filler?

Replies:

Posted By: carbass
Date Posted: July 18, 2003 at 10:26 PM

Posted By: Velocity Motors
Date Posted: July 18, 2003 at 10:53 PM

What you want to do is only use one layer of fleece and about 6 - 9 layers of matting and resin. Using soaked fleece will not give you a solid enclosure, nor will it give you a good sounding enclosure. For proper bonding of body filler, you have to rough up the surface of the fiberglass with sand paper.

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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA

Posted By: iaudio
Date Posted: July 20, 2003 at 8:58 PM

If you're worried about the resin not flowing through multiple layers of fleece then cut the resin with styrene to thin it out. You will still have to reinforce it with regular glass though.

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