![Choose a flashing material that is at least as durable as the roof covering. For example, it would not make sense to flash a 100-year-old slate roof with thin aluminum. Once the Choose a flashing material that is at least as durable as the roof covering. For example, it would not make sense to flash a 100-year-old slate roof with thin aluminum. Once the](https://cdnassets.hw.net/dims4/GG/5896202/2147483647/resize/876x%3E/quality/90/?url=https%3A%2F%2Fcdnassets.hw.net%2Fe1%2Fa3%2F410e07b2495c970af673646edc4c%2Fflashing-category-promo-image.jpg)
Choose a flashing material that is at least as durable as the roof covering. For example, it would not make sense to flash a 100-year-old slate roof with thin aluminum. Once the
![Gibraltar Building Products 18 in. x 10 ft. Galvanized Steel W-Valley Flashing V18G - The Home Depot Gibraltar Building Products 18 in. x 10 ft. Galvanized Steel W-Valley Flashing V18G - The Home Depot](https://images.thdstatic.com/productImages/f740537b-a573-4130-8813-43e47f0624a4/svn/gibraltar-building-products-transition-flashing-v18g-64_1000.jpg)
Gibraltar Building Products 18 in. x 10 ft. Galvanized Steel W-Valley Flashing V18G - The Home Depot
![Roof Flashing: different types, how to install them, and when you should replace them - Deer Park Roofing, LLC Roof Flashing: different types, how to install them, and when you should replace them - Deer Park Roofing, LLC](https://www.deerparkroofing.com/wp-content/uploads/2021/08/Installed-Counter-Flashing-before-solder-scaled.jpg)