Step Flashing With Shingles Roof To Wall Area

It is important to overlap any old roofing felt by at least one foot.

Step flashing with shingles roof to wall area.

Use your hammer and nails to secure the felt into place. Where a sloped roof meets a wall the flashing should extend at least 5 inches up the wall and 5 inches under the shingles. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Step flashing is a rectangular piece of flashing bent 90 degrees in the center.

It is used for roof to wall flashing. Even if one piece of step flashing fails the flashing and shingle below it start the process over again. Learn how to install it below. Step flashing creates water tight seals step flashing protects roof to wall transitions the majority of step flashing is made out of aluminum or galvanized steel which helps to prevent rusting and the gauges are normally going to be somewhere between 011 and 019 although commercially it is typically going to be around 040 gauge.

Multiple pieces of the flashing will be installed in layers with shingles to ensure the water flows away from the wall. The new step flashing must extend up the wall a minimum of 4 and must be laced with each course of the new asphalt shingles. Step flashings are to be installed one per course. The vertical flange of the flashing is to extend up behind the adjoining siding.

The step flashing should be 10 inches wide which is 5 inches up the wall and 5 inches running under the shingles and it should be cut 2 inches longer than the exposed portion of the shingle to provide for a 2 inch overlap. After you have gathered all your materials you will lay roofing felt over the area that will have flashing. 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. The new step cannot be inserted up behind the stucco and house wrap because the weep screen at the bottom of the stucco is attached to the wall with nails.

Step flashing has been required for asphalt shingles at roof to wall intersections as far back as the 1986 cabo. Here s how to install it correctly. With this method l shaped pieces of metal that are a couple of inches longer than the shingle overlap are installed on top of each shingle adjacent to the sidewall and the flashing is then laced into each course. Installing step flashing to prevent roof leaks step flashing spans the joint between roof shingles and an adjacent side wall.

Installing the roofing felt. For step flashing with a stucco wall you will be working in part on the roof. How to install roof flashing against a wall. Step flashing step flashing redirects the water back onto the shingle.