Roof leaks plague countless homeowners each year. Talk to experienced roofers, and they’ll tell you the vast majority of leaks happen at flashings. A roof flashing is a transitional material.… ...

Copper, galvanized steel, lead and traditional tin-plated steel are examples of these materials. Standard caulk and black roofing cement are not acceptable materials to use with flashings.

News; Home and garden; Ask the Builder: Your chimney could be the source of your roof leak Sat., Feb. 3, 2024 This chimney is not watertight. Look at the white efflorescence stain.

Sheet lead and copper are excellent flashing materials, and I find it quite curious that sheet lead is readily available while tin is not. Go figure! Two weeks ago I had a business conversation ...