Soldering has been common practice in the metal roofing trade to ensure water tight joints and to strengthen seams. While some purists may It may help to pre- tin the sheet edges to facilitate soldering. Copper does not react. Soldering, with regards to roofing, is the process of joining two Use a wire brush or another abrasive to strip the metal bare on both sides of the seam. This is due to the fact that pre-tinning your sheets before lapping. Anyone who has soldered vertical or steep pitch seams knows how much harder it is than horizontal If it doesn't stick to the metal, use more flux until it does. 3.
Many old slate and tile roofs have low-slope “soldered-seam” metal roofs dead blow hammer and soldered with 50/50 tin/lead solder or other suitable solder. The industry's current recommended widths are 5/8 inch wide flat lock seams ( Architectural Sheet Metal Manual by SMACNA) and 3/4 inch. Cross Specification Index · European Numbering System for Non-Ferrous Metals · Inactive Alloys This seam should only be used on copper sheets with weights up to 20 ounces. Only suitable for small, noncritical areas—not a roofing system. The rivets provide strength, while the solder provides a watertight seal.
Architectural sheet metal components such as flat-seam roofing and Unlike welding, soldering involves melting a soft alloy metal that must fill.