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.

How to install roof flashing against a wall. Learn how to install it below. Step flashings are to be installed one per course. 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.

Lay the underlaymentand the shingles fully up till 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. 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. Take a tin snip and cut from one corner of the step flashing along 45 degrees to the centerfold.

Use your hammer and nails to secure the felt into place. Next cut from the other corner on the same side of the step flashing and along 45 degrees to the centerfold. Step flashing step flashing redirects the water back onto the shingle. 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.

The vertical flange of the flashing is to extend up behind the adjoining siding. The shingle s weather exposure is 5. For step flashing with a stucco wall you will be working in part on the roof. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.

Even if one piece of step flashing fails the flashing and shingle below it start the process over again. Multiple pieces of the flashing will be installed in layers with shingles to ensure the water flows away from the wall. The first step flashing or the corner flashing should rest on a shingle. Here s how to install it correctly.

It is used for roof to wall flashing. 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. The flashing needs to be installed before installing the roof shingles the metal flashing is formed with a hook edge and cleated on 12 centers the flashing extends up the wall at least 4 the flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas. Where a sloped roof meets a wall the flashing should extend at least 5 inches up the wall and 5 inches under the shingles.

Installing step flashing to prevent roof leaks step flashing spans the joint between roof shingles and an adjacent side wall.