Vent flashing done right to prevent leaks back up roof vent boots with flashing counterflashing and proper shingling.
Step flashing with shingles roof to wall area.
The shingle s weather exposure is 5.
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.
After you have gathered all your materials you will lay roofing felt over the area that will have flashing.
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.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
The vertical flange of the flashing is to extend up behind the adjoining siding.
Take a tin snip and cut from one corner of the step flashing along 45 degrees to the centerfold.
Learn how to install it below.
Step flashings are to be installed one per course.
Here s how to install it correctly.
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.
For step flashing with a stucco wall you will be working in part on the roof.
Step flashing is a rectangular piece of flashing bent 90 degrees in the center.
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.
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.
Next cut from the other corner on the same side of the step flashing and along 45 degrees to the centerfold.
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.
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.
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.
Installing step flashing to prevent roof leaks step flashing spans the joint between roof shingles and an adjacent side wall.
How to install roof flashing against a wall.
Lay the underlaymentand the shingles fully up till the wall.
