Fiberglass help- beginner

I want to build a glass box and wondering what weight mat do I need? I kinda got the basics but any insight helps!!!

you said a glass box ? I would use a fleece on the top side and use a chopper gun on the underside to give it some extra. Here is a link to a Forum that deals with tons of audio stuff. SMD

u should go to http://fiberglassforums.com/ they have everythingu will ever need to know about doing it and a bunch of different ways of doing it

Fiberglassforums have taught me a ton of handy things. Just go, register and browse around. Whatever questions you may have will more than likely already be answered on there.

Amen to that.