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Discussion Starter · #1 ·
I would like to make a railing similar to this:
https://www.homedit.com/stair-handrail/

But put 1/2" thick glass and use red oak.

I was planning on using a 1" to 2" thick board for the top and bottom, top acting as the rail as well.

Is there a guideline for how deep the groove should be? Does the height/width of the glass influence this?

If the glass will be 1/2" thick, do I have to make the top and bottom grooves larger to accomodate wood expansion? If so by how much?

My current thoughts for dimensions would roughly be:
Bottom board 5" x 1" x 8'
Two posts 3.5" x 3.5" x 3'
Top railing 2.5" x 2" x 8' (less thickness of posts)

Cut a groove in the middle of top and bottom at 0.5"x0.5" to slide glass in to.

Glass would run full length less an inch or so on each side.

Any tips, thoughts, and suggestions would be great as I am fairly new to wood working.
 

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I would like to make a railing similar to this:
https://www.homedit.com/stair-handrail/

But put 1/2" thick glass and use red oak.

I was planning on using a 1" to 2" thick board for the top and bottom, top acting as the rail as well.

Is there a guideline for how deep the groove should be? Does the height/width of the glass influence this?

If the glass will be 1/2" thick, do I have to make the top and bottom grooves larger to accomodate wood expansion? If so by how much?

My current thoughts for dimensions would roughly be:
Bottom board 5" x 1" x 8'
Two posts 3.5" x 3.5" x 3'
Top railing 2.5" x 2" x 8' (less thickness of posts)

Cut a groove in the middle of top and bottom at 0.5"x0.5" to slide glass in to.

Glass would run full length less an inch or so on each side.

Any tips, thoughts, and suggestions would be great as I am fairly new to wood working.
When they do deck railings with glass and aluminum they do 48" spaces and use a 42" glass, I would have a look at how they build that and copy it with the rubber they use and everything. The grove in the top pieceis deeper so the glass goes in last.

https://www.homedepot.ca/product/railblazers-42-inch-glass-panel/1000166318
 

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On my glass railing, bottom groove seems to be about a quarter in deep. Top groove seems to be about 3/4" deep, but surely the glass is not tight to the top of the groove.

Sides are not in a groove on mine, but in a groove would look fine too.

Keep the glass loose in the groove. You are over estimating how straight the boards, your cuts, and the glass is if you think you can make that a 1:1 fit on the glass.

Glass isn't going to move. Going to be heavy as heck.
 

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Don't forget if you use glass there it needs to be tempered.

To cut your groove(s) you can use a router with a fence, or maybe a table saw with multiple passes—or even a circular saw if you're real steady-like, or rig up some kind of ghetto fence.
 

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Discussion Starter · #6 ·
Don't forget if you use glass there it needs to be tempered.

To cut your groove(s) you can use a router with a fence, or maybe a table saw with multiple passes—or even a circular saw if you're real steady-like, or rig up some kind of ghetto fence.
Yes definitely tempered glass. I do not have a router, was planning on using a table saw.
 
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