anything else

[nickmell 10+ year member]

i just got done building my box it .5 cf sealed 12x12x6 inside. i liqiud nailed everything as i put it together and nailed it. is there any thing else i need to do to the inside before i put my sub inn?

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[fasfocus00 5,000+ posts]

polyfill if you want.

 

[nickmell 10+ year member]

wat does polyfill do besides increase air space?

 

[fasfocus00 5,000+ posts]

efficiency