From that figure out what size glass block you should use and how many you will need to complete the project.
How to replace a glass block window with a regular window.
Remember to take into account the 1 4 to 1 2 inch gap that is required on all sides of the glass block window for the mortar.
Glass blocks cannot be cut so you need to be exact with your measurements.
I have a large roughly 2ft square glass block window in my bathroom and it looks awful.
Use a caulking gun and squeeze a thin layer of window glazing compound in the primed grooves.
Press in new glazing points every 10 inches with the tip of a putty knife.
Measure at all four corners from the face of the panel to the outer edge of the rough opening.
It seems like you could put a normal window in once you rip out the glass block but i don t know if there d be some sort of catch with that.
Measure your window opening.
The good news is that homeowners do not need to worry about removing the entire window since they can easily remove the damaged glass blocks and replace them with new ones.
With the help of a friend set the new window glass in place.
Press the new window glass lightly to bed it.