How To Make A Clean Break With Glass
I had to trim about 1" from a piece of glass I was installing in a cabinet door, but even after scoring the glass with a cutter, it kept breaking off in small pieces. I wasn’t getting the snapped-clean edge I see on professionally cut glass.
I figured if I could snap the whole length at once, I’d get a nice clean break. So I sandwiched the waste piece of glass between two scraps of hardwood as long as the scored line and clamped them in place, as shown in the drawing below. Using the clamp as a handle, I gave a quick downward snap, and the piece broke off perfectly. I’ve used this technique with narrower strips of glass and it has worked every time.
—Allan Fanjoy, Saint John, N.B.
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