Tig Welding tips... #4. If a ball forms on the end of your rod when welding you are doing something wrong. It is usually one or more of these things: â¢ Too long an arcâ¦ â¢ Too much torch angle â¢ Not enough amperage for the rod size â¢ Bad filler rod angle â¢ Or some combination of all of these things.
Metal: 1  Steel or aluminum shingles: $265 to $375 per roofing square. 2  Corrugated steel panels: $120 to $150 per roofing square. 3  Stone-coated steel: $350 to $425 per roofing square.  Standing seam: $400 to $600 per roofing 1  square. Copper or zinc roofing: $700 to $900 per roofing square.
Metal Roof. Metal roofing, typically made from coated aluminum or steel, costs approximately one-third more than asphalt shingle roofs, but with the price increase comes a number of benefits. First and foremost is the strength and durability of metal roofs, which are often guaranteed for 50 years or more.etal Roof. Metal roofing, typically made from coated aluminum or steel, costs approximately one-third more than asphalt shingle roofs, but with the price increase comes a number of benefits. First and foremost is the strength and durability of metal roofs, which are often guaranteed for 50 years or more.