Plywood top workbench upgrade

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Project by BOBAH posted 02-15-2020 08:30 AM 1204 views 0 times favorited 2 comments Add to Favorites Watch

I had to rebuild my plywood-top workbench to match new height of my table saw, and while doing that, I have made a few changes that make me very happy. First off, I added height adjustment for the legs – to accommodate for uneven floor surface. Now it is super easy to make bench top level with table saw, and ensure that all four corners are in the same plane. Second, I have added workbench cabinet – it is heavy, 34” deep, and provides about 15 cubic feet total capacity.

And finally, I was able to address common problem of thin top benches – sagging. Over time, the middle part of my 3/4”, 50”x50” plywood top had sagged almost a quarter of an inch. Now, with stable cabinet surface underneath, I was able to add 5 jigs (bolt head glued into a piece of wood with epoxy, four-prong t-nut hammered into another piece of wood, serving as giant wooden nut) that rest on top of the cabinet and push the workbench top up to compensate for sagging. It is easily adjustable – I have located these jigs near the corners and in the middle and kept tweaking top is flat across down to 1/16th of an inch – hopefully, the first two pictures give the idea of how it is done.

2 comments so far

View therealSteveN's profile


9224 posts in 1858 days

#1 posted 02-15-2020 03:29 PM

Making it work for your needs is what it’s all about. Complimentary heights work well in the shop.

-- Think safe, be safe

View Rick  Dennington's profile

Rick Dennington

7176 posts in 4478 days

#2 posted 02-15-2020 04:29 PM

Very nice work bench….Smart idea for the height adjustments…..!! There’s nothing like having storage under the bench for various tools that you need close at hand….!! I built a storage cabinet under my work bench several years ago, w/ plenty of drawers…..!!!

-- " There's a better way.....find it"...... Thomas Edison.

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