Glass Block

jarvis design

A little off topic, but, a number of years ago I was doing design consulting for a client who was adding a small addition onto their cottage (2000 sq ft)

The architech specs in a glass block window about 4' and 6' and further specs that it be a double glass block window with 1/2" air space in between.

Stupid architect!!

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skyhook

Keep this up long enough and a real glass block artist might chime in.
As for me and what I know, I am keeping it a secret. (where is that flip off emot)

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Driftwood

Most bring experience to the table. Those empty handed, bring sarcasm.

gallerytungsten

Well, here is a "secret" for glass block. If you read Pittsburgh Corning's documentation for the mortar method, they say to make your rough opening 1/2" larger in both dimensions than the nominal size. So, if you were using 8" block and had a window that was 8x8, you'd have 64.5x64.5 for your rough opening.

However, they're wrong. In actuality, you want 1/4" extra on the width and 3/4" extra on the height. This will give you a nice snug fit on the width, and leave you a little extra margin on the top, which is very handy for getting that last row in. (This assumes you are of course using the 1/4" spacers.)

skyhook

When people are talking about building glass block walls with silicone instead of GB mortar, I bring empty handed sarcasm.

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Driftwood

The most common mistake. Mixing motor too wet! Glass doesn't absorb water
like concrete block! Mix it dry,don't run too high! Iallways Made My own wood ,temp. spacers, to keep the bond honest.

Driftwood

Sorr now I get it ! silicone is a joke!

greg24k

I have been using glass block windows, shower enclosures,partitions,etc for all my new construction and remodeling projects,and HO love it. The product is made by Hi Lite Manufacturer

If anyone interested ot have a project coming up, something to consider.

Good luck

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