Supporting A Glass Work Surface

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Forum topic by A10GAC posted 03-04-2011 06:37 PM 832 views 0 times favorited 2 replies Add to Favorites Watch
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191 posts in 2501 days

03-04-2011 06:37 PM

Topic tags/keywords: question jig sharpening

I’ve been using the scary sharp method on a 12×12 piece of granite for my chisels, planes, etc. and recently decided that I would like a little more room. So I stopped at my local glass place and they gave me a 28”x32”x1/2” piece of tempered glass that they had lying around and couldn’t use. (The disclaimer, I really was only looking for something around 18”x18”, but that was what they had…and it was free.) So after measuring my workbench I realized that I could probably mount it underneath the bench on a set of full extension slides. This way it would be available when needed and out of the way when not used.

Now the dilemma, this things weighs an honest 40 pounds, I don’t want to worry about sagging. Does anyone have experience with hanging a piece of this weight horizontally? I was thinking about using 3/4” plywood edged with poplar or maple for the shelf, but I don’t want it to sag over time?

-- Men have become the tools of their tools. - Henry David Thoreau

2 replies so far

View lilredweldingrod's profile


2495 posts in 2529 days

#1 posted 03-04-2011 08:26 PM

There is no way you will have sagging problem with this glass. But if you drop something on it you will have a lot of glass gravel. lol The weakest part will be the edge. If you make a plywood tray to lay it in and protect the edges you should be fine. This will make a great sharpening station and having it slide in and out will need a stop. My router table does this and I use two toggle clamps on the bottom to lock it in place.

View A10GAC's profile


191 posts in 2501 days

#2 posted 03-05-2011 02:41 AM

Nice, I like the toggle clamps. I was thinking about a couple of drop in pins, but the toggles are pretty slick.

-- Men have become the tools of their tools. - Henry David Thoreau

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