What to use for sub box interior?

[crewd]

Quick question...

I just got done building a sealed particle board custom box for a 10" sub. What should I line the interior with?

It used to be yellow fiberglass insulation, but only on three sides of the interior... have things changed?

Thanks,

Jon

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[swimfreak26 10+ year member]

Normally I do not believe that people line the inside of their boxes, I know personally I just put silicon on the seams.

In your case however, since you built the box out of particle board I would consider doing something to strengthen it. If it were me I would layer the outside of the box in a thin layer of fiberglass or something to that effect

 

[bri487 5,000+ posts]

maybe fill it with like 50% polyfill.

 

[turblown 10+ year member]

you could coat it with some resin