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Forum topic by Estley posted 06-21-2011 09:43 PM 872 views 0 times favorited 4 replies Add to Favorites Watch
View Estley's profile


65 posts in 3207 days

06-21-2011 09:43 PM

I’m building some cabinets for my shop. The idea is to have 2 of them fixed with countertops like the in drawing, so I can store my rolling cabinets underneath the counter. I’m trying to figure our how to build the counters in a way that sagging is not a problem. I can think of two options, laminate 2 layers of 3/4 plywood, or use just one layer of 3/4 ply and build a 3 inch frame underneath it. The frame would be 3 inch wide strips of the same 3/4 ply…. any thoughts?

BTW the cabinets are 24 Inches deep.

4 replies so far

View Sawkerf's profile


1730 posts in 2492 days

#1 posted 06-21-2011 10:00 PM

A “ladder” framework with 2.25” pieces skinned with a 3/4” panel should hold up under almost anything you’ll put on it. It’s just another type of torsion box.

-- Adversity doesn't build reveals it.

View verdesardog's profile


135 posts in 2034 days

#2 posted 06-22-2011 06:33 AM

Or even just a 2×4 cleat on the back wall should be suffecient

-- .. heyoka ..

View Richard's profile


1871 posts in 2113 days

#3 posted 06-25-2011 01:30 AM

2” X 4”s laid on the flat side and half laped at the corners and maybe one or two down the center as well then cover with the 3/4” ply or MDF. I think that may be about the same as Sawkerf was talking about.

View Cosmicsniper's profile


2202 posts in 2582 days

#4 posted 06-25-2011 02:01 AM

A cleat along the back wall and a face board for the leading edge of the countertop…that will prevent sagging pretty well.

-- jay,

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