Thickness of Walls

[Sohood]

How thick does a wall need to be so that bullets wont pass through? Or is it preferred to tie an entity-func_wall to the brush. I read somewhere not to go crazy with this, too many func_walls can be bad.

[noddy]

Try this link to my blog, a friend supplied me the info on gun penetration.

http://mapping.fps-uk.net/?p=8

I hope that this helps