How To Seam Copper Sheets

Fabricate nonmoving seams in copper sheet with flat lock seams.

How to seam copper sheets.

Where lapped or bayonet type expansion provisions in work cannot be used or would not be sufficiently water weatherproof form expansion joints of intermeshing hooked flanges not less than 1. Expansion and contraction are a function of temperature change material properties and the dimensions of the material. For sheets up to 1 8 in. View the products.

3 2 mm thick a plain butt joint with squared edges is preferred. Tin edges and cleats to be soldered form seams and solder. The backhand method is preferred for thicknesses of 1 4 in. This video describes how to make a double lock standing seam with a seaming anvil and a hammer.

6 4 mm or more. The weld should be started again and continued until the seam weld is completed.