I'm in the US and am not familiar with the term "toughened glass". Could it possibly be what we call "tempered glass"? If so, it should make a great window. My wife and I recetly built a kitchen ...
Do-it-yourselfers are an intrepid bunch who will without hesitation cut any building material they can get their hands on. The thought of cutting glass, however, stops even the most daring DIYers in ...