I was told here (by a very helpful man!) that I can put a vent in an existing glass block window but what I would like to know is the best way to cut exising blocks from that window. I have a rotozip tool with a disc attachment for cutting tile and concrete- would that work or am I asking for trouble? Thanks for the help!
Check with a local brickyard or a manufacturer of glass blocks for advice on this. I believe that a hammer and chisel might work best if used very carefully. I was the one that mentioned the glass block vents, btw.
