Parts of a Roof

Common roof terminology and other roof components to know.

1. Leak Barrier

  • A self-sticking membrane that helps protect against leaks caused by wind-driven rain and damaging ice dams.

  • Typically applied to eaves and rakes, in valleys, and around chimneys and skylights.

2. Roof Deck Protection

  • An underlayment that provides a secondary layer of wind-driven rain protection between your shingles and roof deck

3. Starter Strips

  • Starter strips shingles have specially positioned sealant applied at the factory

  • Installed at the eaves and rakes to help reduce the risk of shingle blow-offs

4. Shingles

  • Asphalt shingles are the most popular shingle type in the U.S. because they’re affordable to buy, install, and maintain.

  • Made from a sturdy fiberglass base, coated with asphalt and tiny mineral granules

5. Attic Ventilation

  • Balanced attic ventilation helps reduce damaging heat and moisture in your attic*

  • Helps reduce the risk of ice dam formation in the winter

6. Ridge Cap Shingles

  • Installed on the hip and ridge areas of the roof to help provide additional protection

  • May have colors available to complement your chosen shingles