Step Flashing Roof

Multiple pieces of the flashing will be installed in layers with shingles to ensure the water flows away from the wall.

Step flashing roof. Step flashing protects the interface between a roof and a wall from water leaks that can cause hidden damage for years. Jamsill guard sill pan flashing 4 5625 in x 40 in plastic step flashing. The first two layers are called base flashing and step flashing. Install the step flashing.

Step flashing is a rectangular piece of flashing bent 90 degrees in the center. Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner. Step flashing redirects the water back onto the shingle. Item 831018 model 4916sp 30.

Continuous flashing is sometimes seen where a roof meets a sidewall but in the long run step flashing will do a better job of preventing water leaks. The step flashings on a composition shingle roof are typically to be installed every 5 inches. Before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof. Step flashings on a cedar shake roof are typically installed every 10 inches.

So when a shake roof is replaced re using the step flashings from the old shake roof will result in one step flashing for each two courses of new composition shingle. Counter flashing is the final layer of a three part waterproof barrier installed between a roof and a vertical wall or chimney. It is used for roof to wall flashing. Get free shipping on qualified step flashing or buy online pick up in store today in the building materials department.

The term reglet flashing refers to an installation method for counter flashing not a separate layer.