Aug 22, 2018 · Edge joints tend to be a weaker type of welding joint, so they are more commonly used in sheet metal. Two pieces of metal are held with their edges parallel and a seam is made along this joint. If an edge joint is required for bigger or more weight-bearing construction, it can be strengthened using filler metal. May 20, 2009 · The upturned leg of the step flashing is behind the vertical drainage plane or sealed to it with adhesive membrane and sheathing tape. The bottom leg of the step flashing is placed over the roof drainage plane. A critical component of step flashings along the run of the roof slope is a kick-out flashing. The kick-out flashing directs water away ... Start studying Volume 1-Sheet Metal & Fabrication Layout. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Brazing is a technique for joining pieces of metal together by filling the join between the two metal pieces with a molten intermediary metal. Brazing is distinguished from welding because it uses an intermediary material, usually a copper-zinc alloy, to join the two metal pieces rather than melting the pieces ... Step 2: Use Clamps to Hold the Sheet. Don’t say that you were thinking of holding that metal sheet with bare hands drilling it. Don’t ever hold metal sheets on your hands while drilling. Always clamp the sheet down. After clamping the sheet make sure that it doesn’t spin. Many people got injured as the metal sheet spun while drilling.