Step Flashing Low Pitch Roof

Step flashing is a rectangular piece of flashing bent 90 degrees in the center.

Step flashing low pitch roof.

Step flashing protects the joints between the roof deck and chimneys or dormers. 1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products. Rain should run off the roof and into the gutter. Step flashing fits to each course of shingles and appears to step up the wall of the chimney.

It is used for roof to wall flashing. L flashing can be cut into smaller lengths to use as step flashing. Place the top edge of the roofing along the chalk line. This should give you a 1 inch overhang on the eaves including the top edge of.

Step flashing in steep slope roofing donald berg p e professional roofing nrca june 1993. Self adhesive flashing membrane under the shingles prevents leakage on low slope roofs. Then apply standard asphalt shingles over the membrane. At the bottom of the roof water needs to be directed.

Flashing problems account for the majority of roof leaks on low slope built up roof systems. Proper flashing design is the responsibility of the roof designer. For a low slope residential roof there are two main options. Required tools for this project.

It is used for roof to wall flashing. The membrane will outlast the shingles and seal around all nail penetrations. Step flashing protects the gap where roofs meet walls by weaving into the roof shingles. Step flashing offers far better protection from leaks because even if a single piece of step flashing fails the water just hits the next lower piece.

That flashing directs the water onto the shingle and the water drains down the roof. Multiple pieces of the flashing will be installed in layers with shingles to ensure the water flows away from the wall. L shaped flashing is a versatile general use flashing used where a uniform or strengthened finish is needed on a 90 surface. Roll out and cut roll roofing to cover the length of the roof.

Adequate research of flashing conditions and the use of proper flashing details is vital to the long term success of the roof system. Made with 28 gauge galvanized steel l flashing can play an essential part in protecting your home against water damage. More product details close.