Nickbee, I"ve been following this thread and it finally occured to me that something was different. I'm guessing you're using some other adheasive other than CA. Am I correct ? Or are the clamps and weights to prevent warping?

I'VE considered the hollow door idea but the D7 wing is 88 inches and most hollow core doors are not long enough. 80 inches?

My wife just asked me why I'm measureing the cellar door and after an explaination I think the seeds of a new workshop have TAKEN ROOT!!