How To Seam Copper Sheets

The weld should be started again and continued until the seam weld is completed.

How to seam copper sheets.

For sheets up to 1 8 in. The backhand method is preferred for thicknesses of 1 4 in. View the products. This type of seam is used wherever significant movement of the copper sheets is expected.

When welding thin sheets the forehand welding method is preferred. 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. 6 4 mm or more. Expansion and contraction are a function of temperature change material properties and the dimensions of the material.

3 2 mm thick a plain butt joint with squared edges is preferred. Tin edges and cleats to be soldered form seams and solder.