Flashing helps to prevent water leaks by directing the flow of rainwater around openings in the roof. They ensure that instead of leaking into your home, water runs off down the roof and into your gutter system. Flashing is available in a number of different materials. The following are some of the areas on the roof that generally need flashing in order to protect your home against leaks, which can result in extensive water damage. 1. Dormer Windows 2. Skylights 3. Chimneys 4. Vents 5. Valleys Get a hold of the best Pittsburgh Roofer, to find out what a new roof could cost you. Visit EAS Roofing Today!