You have a few different options. One is use a "bat" instead of roll insulation. Go to a full service yard and ask for "friction bats" They are bas...
steve kMember since 12/22/01
Another option is a compound miter saw, that way you can lay the molding flat to cut it. Steve K
It's typical to use blocking in conjuncion with steel studs. You can use 2X material or plywood. I prefer 3/4" plywood as it seems to hold a screw ...