plexiglass? a little help

irishbass

Junior Member
i am building a bandpass box for my jetta and i was wanting to include a front plexiglass window to show off the subs but i would like to know how thick should it be and what to seal it with screwes or silicone? and where to buy a small sheet of it about 15" by 20" any help would be greatly appreciated.

 
It mostly depends on how bada$$ your system is. 1/2 inch should work for most low to midrange pound, but 3/4 is essential for larger, high spl systems. To make the seal between the 'glass and the box, just use your imagination. Screws and silicone with a "frame" that covers up the screws and silicone, or nice long nickel plated screws or nuts n'bolts sandwiching it all together. Whatever you do, it is a good idea to have a bead of silicone despite how ugly it is, as the plexiglass can if improperly fastened rattle. You can also paint or laser etch the 'glass before you put it on. I personally hate bandpass boxes because if you have to tear them apart it sucks.

 
Have any of you guys that replied actually worked with plexiglass? It's not like the crap is gonna break or bend on ya!

1/2" is fine for ANY application, and to the best of my knowledge you can't get it at home depot or lowes. your best bet will be to check a place that replaces automotive glass. PLEXI IS NOT CHEAP! I have to pay nearly $10/sq foot for the 1/4" stuff.

 
Owch! You'll probably be best off to go ported then. That sh!t will hit well enough without the bandpass, and it'll be easier, cheaper, and alot more detailed. Bandpass works the best in enourmous open places, like Suburbans, loose girlfriends, Explorers and open trunk back alley slamfests. I'm not saying that thats bad, hey, do what you wanna do! Plus, to really show off the woofers you would need at least 15" by 30" sheet, not 15x20. Brandon is probably right with his ported estimate...

 
Have any of you guys that replied actually worked with plexiglass? It's not like the crap is gonna break or bend on ya!
1/2" is fine for ANY application, and to the best of my knowledge you can't get it at home depot or lowes. your best bet will be to check a place that replaces automotive glass. PLEXI IS NOT CHEAP! I have to pay nearly $10/sq foot for the 1/4" stuff.
Very true, I got some 3/4" plexi and its G-**** strong... but plexi is expensive and hard to find... but I got a sweeeet deal on some 3/4" thick for $10 a sqft... so I took it. Other places wanted $50+ for a 2sqft 1/2" thick sheet though.

I don't think it will ever hurt to go too big, and 1/2" should be ample for most window type applications...

I found my plexi by going to "Glass" in the yellow pages and calling them down the list. One place (Ashe Glass Co in Tampa) was selling plexi dirt cheap since they are moving (Tampa people, if you want plexi call them, they are moving SOON) so it pays to call around.

Good luck with it though, plexi looks awsome.

 
both my home depot and lowes both carry plexi and acrylic. up to 3/4 inch thick. and its a whole lot cheaper than the tag you are paying for it. i can get a full sheet for around $100 (4'X8') there. just depends on where you are i guess.

 
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irishbass

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