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Profile trim screw length going into plywood walls?

PostPosted: Sun Nov 09, 2008 9:08 pm
by 2bits
I am about to install my roof Aluminum :applause: and I found a box of 1 5/8 stainless steel screws and I was wondering if this might be too long. My worry is because I will be screwing into the endgrain of plywood which isn't exactly the most stable. Any suggestions on screw length given the material I will be going on? I will be going through the Aluminum trim, the .040 aluminum roof, 1/8" Epoxy hardended masonite, and then the Plywood.

Thanks!

PostPosted: Sun Nov 09, 2008 9:40 pm
by toypusher
I would thing that 1/2" to 3/4" would do. There should not be a need to go into the plywood, the 1/8" Epoxy hardended masonite should hold very well. You may want to predrill to prevent any cracking of the epoxy. Hope I understand that the aluminum is over the masonite and that is over the edge of the plywood.

PostPosted: Sun Nov 09, 2008 9:55 pm
by 2bits
Yup you got the layout correct, thanks for the reply!

PostPosted: Mon Nov 10, 2008 1:46 am
by madjack
Thomas, I used pan head #8x1" SS screws for the same job...mainly because I had them...I predrilled the holes and putt-a-dab of sealant in all the holes as I fastened the screws.........
madjack 8)

PostPosted: Tue Nov 11, 2008 12:58 am
by 2bits
Thanks a bunch Madjack! !!