How To Flash A Roof Against A Wall

Metal roof flashing is a galvanized sheet metal bent at right angles with about eight to 12 inches on each side of the angle.

How to flash a roof against a wall.

Next cut from the other corner on the same side of the step flashing and along 45 degrees to the centerfold. I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall. Likewise a 10 wide flashing will result in a 5 inch wide roof deck flange and a 5 inch vertical flange. Installing the roofing felt.

Above the roof sheathing. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Layer the cement on the area that you. How to install roof flashing against a wall with a corner lay the underlaymentand the shingles fully up till the wall.

Metal roof flashing can be use to seal gaps between roof walls. I cut the tape so that it laps onto the housewrap above and 3 in. Step flashing redirects the water back onto the shingle. For step flashing with a stucco wall you will be working in part on the roof.

Obviously the further up the wall a flashing extends the greater the resistance to water intrusion. Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it. A 5 inch wide flashing will result in a 2 1 2 roof deck flange and 2 1 2 vertical wall flange. How to install roof flashing against a wall.

Do not fasten the flashing to the wall because it must float with the roof. Even if one piece of step flashing fails the flashing and shingle below it start the process over again. Next you will use asphalt or roofing cement. Iws is used in conjunction with step flashing or 4x5 wall flashing to create a water tight junction.

The first step flashing or the corner flashing should rest. Add cement and flashing. It is commonly used in two story and side split houses. These kinds of houses often have a roof that butts against a wall.

In this video isaac illustrates installation of an 18 w.