How best to remove a glass block safely. . . Here is a tip of any one is every in the situation of having to remove a glass block, without breaking the glass blocks. #1 dust sheet down the room and make safe the working area and wear safety goggles and gloves. #2 drill in between the grout lines. You will have to drill from both side to loosen the grout around the glass block. #3 watch out for the metal reinforced bars. Which give support to the glass block wall #4 once grout is loose around the