Flashed Into The Roof

Some roof features such as chimneys require two pieces of flashing.

Flashed into the roof.

Base flashing is the solution for front walls. Pieces of step flashing are bent at an angle. Anywhere surfaces intersect on a roof is a prime spot for water seepage. These problem areas include the edges of skylights and chimneys soil stacks vent fans and roof valleys as well as the intersection of the roof deck and dormer walls.

This ensures that rain always. Step flashing should always be used where the roof deck meets a sidewall. It is simply a piece of sheet metal usually aluminum or galvanized steel which is placed over joints in roof and wall construction to prevent water seeping into the house and causing damage. Flashing installed on the high side is called head flashing while installations on the low side is called apron flashing.

They should installed with a height of at least 6 inches to protect from splashing water. Although roof flashing is occasionally fabricated from plastic roofing felt or rubber it is usually made of rust resistant metal galvanized steel aluminum or copper. Continuous flashing is also called apron flashing because it acts a lot like an apron. Base flashing is one length of flashing that is bent along the length.

Some key points to remember. On pitched roofs the high side of the chimney is the most vulnerable to water seepage compared to the sides and the low side. Flashing provides the extra protection these spots need. Roof flashing is sheet metal that prevents water from seeping into a home.