Hammer Welding 101 for Metal Repair
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Now the fun begins. With a zero-size tip on your torch and a neutral flame, you’re ready to go. Burch begins at the doorjamb end and attaches the patch panel with one tack-weld. Notice that the other end of the panel hangs down lower and there’s quite a gap between it and the cowl. This is to allow for heat expansion of the metal as he tack-welds from right to left. Experience and practice will let you know how big a gap each job requires, but in this instance Burch left about a 1/4-inch gap. View Related Article
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