Wall Help

[slipknot87420]

what does it take to build a wall, like how to seal the front off from the rest of the vehicle except for fiberglass, and will it still have good sq i wanna have a 35hz port plug from 45hz will it sound any different a reg box, btw this is for 4 15" older comp vr's like in my avatar those series. i want it to be around 15 cubes and would just like some general info that it takes to build a wall, i will get dimensions up soon for further help thanks

[slipknot87420]

bump................

[BDIDDY]

I am not exactly sure but some people make cut outs to screw onto there wall that fit around the trim and everything on the inside. Does the car matter to you? If not you could to the trim idea then take expanding foam and do it also...You might want a little bigger than that for those subs....