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Forum topic by scvwooding posted 01-22-2013 10:33 AM 983 views 0 times favorited 1 reply Add to Favorites Watch
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26 posts in 1950 days

01-22-2013 10:33 AM

Building shop cabinets that will measure 40 W x 80 H x 16 D. The cabinets will hang on the wall with French clets approximately 6 inches from the ground. i plan on using 1/2 ply wood and pocket whole joints. Do you think 1/2 inch ply will do or should I go with 3/4? I was hoping to use 1/2 for less weight, considering they will be hanging on the cleats. Let me know what you think. Thanks

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1102 posts in 3612 days

#1 posted 01-22-2013 12:33 PM

I think… 40” X 80”... 1/2” plywood is too thin!

Any shelves in 1/2” will sag over a 40” span. Even 3/4” plywood over that span will likely sag without some additional support like a 1 1/2” edge on the front of the shelf and nails/glue to the back.. Was I doing this, I would use 3/4” ply on the shelves and sides, dadoes into the sides for support (I don’t think pocket screws and butt joints will cut it if you are filling the shelves with tools). A 1/2” plywood back should be fine.

Disclaimer: people tell me I overbuild things!

-- "Find out what you cannot do and then go do it!"

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