Fiberglass vs. MDF
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=30107
Printed Date: August 17, 2025 at 6:12 PM
Topic: Fiberglass vs. MDF
Posted By: One_Evil_Necro
Subject: Fiberglass vs. MDF
Date Posted: April 10, 2004 at 3:06 PM
Looking for opinions between the two, should I JUST use fiberglass where I have to, and MDF the rest of the enclosure? Or would using fiberglass for most of my enclosure be the way to go? Which is going to give me the better box overall? Thanks ~Jay
Replies:
Posted By: biznisman2u
Date Posted: April 10, 2004 at 3:27 PM
Use Mdf for most of the straight areas you will be fiberglassing. it is best to use as much mdf as possible to give your enclosure the strenght you need. I'm not an expert but fiberglass will not be as strong. i would mdf the straight sides and use mdf with some type of support you can use is rope or mdf strips. but if all else fail... do ya research ------------- Biznisman2u
Posted By: One_Evil_Necro
Date Posted: April 10, 2004 at 4:33 PM
What Im doing is cutting out the floor under the rear seat , passenger side of my Tundra to fit the Sub that I want, Origionally I was going to build an MDF enclosure into this new steel drop box. I was just curious what people thought of me Using fiberglass, it would save me a bit of space, and the fiberglass would be surrounded by sheet metal<the box>, If MDF will make a better enclosure then I have this option as well, Ive just never used fiberglass and thought it would be a fun venture =)~
~Jay
Posted By: pureRF
Date Posted: April 10, 2004 at 6:50 PM
Only use the fiberglass if you want a custom look. And if you can keep that custom look of fiberglass and still throw some MDF in the flat areas thats just less glassing you have to deal with. I would def go for the glass though because it looks much better and impressive when all done.
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dream it, build it, fiberglass it
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