View Full Version : glass block

06-11-2007, 05:22 PM
Ok glass block . I am going to remove a window in the garage and replace it with glass block. What do you use inbetween the block? Any tips?



06-12-2007, 09:45 PM
there was a blurb on the HGTv network from the Rock Guys about installing glass block.

12-21-2009, 06:46 AM
the 2 most popular methods to finish the joints between glass block windows and walls are mortar and silicone. The advantages and disadvantages of both methods are as follows:

Question 2 Is it best to purchase premade windows with mortar or silicone joints between the blocks? Mortar and silicone joints each have their own advantages and disadvantages, but purchasing pre-made windows is almost always a cost savings vs. doing the project block by block.

Mortar Advantages harder to break through, traditional masonry look, more variation in joint size
Silicone Advantages all glass look, windows come out smaller in size, easy to clean.