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Beepster 11-13-2012 06:01 PM

Basement Glass Block Window
I am replacing a old crappy basement window with a glass block window as part of the basement buildout. This window will be in the bathroom shower. The current window opening is 35 1/2" W by 21 1/4" H in block foundation.

I will be using the silicone assemble from Menards. I believe I will have three rows. My question is: can I anchor each row to the block foundation and not have a wood frame so I can maximize my opening? Doing this would bring me right up the the floor joists at top using 2 8" (really 7 3/4") and 1 6 " (5 3/4"). Or do I need to build the window inside a wood frame?


joecaption 11-13-2012 07:55 PM

You do know you can buy acrilic block vinyl windows made to size right?

Beepster 11-13-2012 08:08 PM

Yep. A couple glass block companies who hand out there cards at the remodeling shows didn't want to be bothered with one window. I didn't decide until this week what I wanted and have to put in this weekend in Minneapolis. Not enough time to order. Don't want the ones with a openable window that they sell at Menards.

I am going to build and install a glass block window using silicone. I just need to know about the frame so I know how many blocks and of what size to get.


kwikfishron 11-13-2012 08:08 PM

199 Attachment(s)

Beepster 11-13-2012 09:17 PM


Originally Posted by kwikfishron (Post 1051650)

Cheap looking. If I didn't care about resale...

I need to install in four days, not a week and four days or a month and four days.

Please answer the question at hand: do I need to build a wood frame or can I secure to the cement block?


HomeSealed 11-13-2012 10:31 PM

Glass block in a wooden buck kinda defeats the purpose IMO, especially in a shower. Just do an old-fashioned, mortar build. I'm sure that there are plenty of youtube videos, instructions, etc that you can find online.

Beepster 11-14-2012 03:29 PM

I think I am not leaning towards the board frame. I realized that I will have more glass area even with it than I do now.

I chose silicone over mortar as the glass blocks are closer together giving the look of mostly glass instead of the wider mortar joints.


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