Add Yahoo as a preferred source to see more of our stories on Google. Because of its durability, copper is the preferred material for most water supply lines. However, copper pipe can leak when dented ...

Q. My house is only 15 years old, but the copper water lines already have green spots, and some of these spots are leaking. I thought copper pipes were supposed to be corrosion-proof. What could be ...

THE presence of a metal tends to inhibit the corrosion of a more electro-positive metal. On the other hand, when a metal is coated with a material to which it is electro-negative, it is well known ...