Sheet Metal

Most house roofs do fine with 5-inch K-style gutters, but large or steep roof planes, valleys and long runs often call for 6-inch. Here…

16 oz copper means 16 ounces of copper per square foot of sheet, while zinc is specified by thickness, such as 0.7 mm or…

Gutter coil sets a K-style gutter’s weight, dent resistance, color and how it ages. Here is how aluminum, Galvalume steel and 16 oz copper…

Most roof leaks start at the flashing, not in the open roof. Here are the seven spots where leaks begin, what usually fails at…

Built-in box gutters fail at worn liners, cracked seams, clogged outlets and rotted wood. Here is how to read the warning signs, inspect the…

Most parapet leaks start at the coping or the base flashing, not in the wall itself. Here are the six common causes, the clues…