How To Step Flash A Roof

If you find damage then you will have to get it.

How to step flash a roof.

Once you ve shingled up to the sidewall cut a piece of step flashing. Wide and 2 in. Cover tops of step. However it s important to check for damage anyway.

Nail flashing to roof deck only. Cut step flashing pieces to be 10 in. The roof deck flange of step flashings are to be fastened to the surface of each shingle in a position whereby the next course of shingles will cover up hide the flashing from view. Longer than the shingle s exposure.

The base is then covered by another metal flashing piece lapped over it. Where the next piece of flashing will overlap apply a bead of caulk to seal the corner. When working with step flashing this may involve removing undamaged pieces of flashing as well. Bend the first piece along the plumb line.

The vertical flange of the flashing is to extend up behind the adjoining siding. Even if one piece of step flashing fails the flashing and shingle below it start the. Lay a bead of sealant. Make corner flashing from step flashing.

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. Two part flashing systems consist of a base flashing often step flashing that is laced into the finished roof material. Install the step flashing before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof. How to repair roof flashing step one.

The second piece should not be fastened to the base so the two pieces can move against each other independently when the roofing materials shift with seasonal change. Be sure to follow the. Step flashings are to be installed one per course. Nail through flashing into shingle do not extend flashing above top of shingle and.

One common method is to lay the edge metal under the eaves membrane and over the rake details concrete masonry roofing wrb flashing. Here s how to do it right the first time.