is it really necissary

[nismboy6986 10+ year member]

is a body filler like rage gold really necissary or is regular bondo you get from a autoparts store fine. also what weight of fiberglass mat and how many layers would you reccomend for a box for a avalanche 15

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[406er 10+ year member]

well how many layers of fiber glass mat do u have. i usaly aim for all my fleace and mat to be about 1/4" thick. then regular bondo is fine

 

[ramos 5,000+ posts]

You can use what ever filler you can get ahold of. Just remember to mix it correctly, don't use too much hardner or it will make sanding a pita. For sub enclosures I like to use 15-17oz. kyntex biaxial mat. Takes three layers and you could park a car on it //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif