Ken M posted:Go to a lumber dealer & ask for 3\4 plywood 9 ply finished on one side. I found it a much better grade & not anymore expensive than the box stores.
Ken M
I will try that Ken, I'm just not familiar with lumber yards around here. Everyone has convinced me that a minimum 7-ply 3/4" is the way to go even though Jim Barrett and Mianne say 1/2" will work ok. Of course, Jim uses 16" bracing throughout.