just a quick question out of curiousity about glassing the inside of a box?

[jaeguerra909 10+ year member]

so what does glassing the inside of a box help out with??

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[gckless 5,000+ posts]

Air leaks, rigidity, airflow.

 

[rebelfromva 10+ year member]

Flex and airflow.

 

[jaeguerra909 10+ year member]

Oh ok thanks something I never really knew

 

[mklett33 10+ year member]

If you are incorporating it for the sake of adding strength proper bracing can go a long way. Put a large dowel across the inside of the enclosure. Anohter very key reason I use fiberglass RESIN on everything is to improve the longevity of the wood. I have had many subwoofer enclosures that get a little bit of water on them and leak over time (or become moldy), so if it is an "exposed" surface that isnt covered with carpet or vinyl, it gets resin.

 

[mlstrass 5,000+ posts]

does NOTHING for strength...especially when just using resin and no cloth

 

[Glenn Quagmire]

It adds an estimated 2db, according to research.

 

[jaeguerra909 10+ year member]

2db huh lol well to be honest Idk if I was gonna add it or not I kno my guy that builds my stuff glasses the insides of his boxs every time so was just seeing if I should do it or not lol all I kno is I hope this box comes out at a proffesional level bhe made me the designs so hopefully i can just follow instructions and it turns out well just a simple box for 2 12's rear facing trunk build should not be too hard