A: After getting a replacement glass cut to fit, clear silicone caulking is the best option for securing and sealing the new glass. Just be careful. You want to use real, 100-per-cent silicone ...

The small 2- to 4-inch glass blocks are constructed like a brick wall using mortar and sealant and can serve as windows and privacy walls in bathrooms, entrances, basements, and bedrooms.

Glass and plastic block windows can be energy efficient for several reasons. There is a sealed insulating air gap inside of each block. This is particularly efficient in glass blocks because the ...