There is also aircraft grade plywood, which is incredible in quality, but very expensive. At 09:11 AM 6/6/2000 EDT, you wrote: >regarding plywood, there are furniture grades and marine grades that are >uniform >roofing plywood on the other hand is full of gaps >generally plywood is considered stronger than regular woods SS > > > Thanks, Peter Hipson (founder, NEHOG) 1995 White NA Hummer Wagon