How To Flash A Roof Against A Wall

Layer the cement on the area that you.

How to flash a roof against a wall.

The first step flashing or the corner flashing should rest. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Add cement and flashing. A 5 inch wide flashing will result in a 2 1 2 roof deck flange and 2 1 2 vertical wall flange.

Step flashing redirects the water back onto the shingle. Place the first step flashing strip over the end of the starter course shingle and use two nails to fasten the step flashing to the roof with 2 nails. In this video isaac illustrates installation of an 18 w. 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. 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. For step flashing with a stucco wall you will be working in part on the roof.

Installing the roofing felt. These kinds of houses often have a roof that butts against a wall. I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall. Do not fasten the flashing to the wall because it must float with the roof.

Likewise a 10 wide flashing will result in a 5 inch wide roof deck flange and a 5 inch vertical flange. Next cut from the other corner on the same side of the step flashing and along 45 degrees to the centerfold. I cut the tape so that it laps onto the housewrap above and 3 in. How to install roof flashing against a wall.

Flexible flashing tape seals the eave to the wall. Above the roof sheathing. It is commonly used in two story and side split houses. Metal roof flashing is a galvanized sheet metal bent at right angles with about eight to 12 inches on each side of the angle.

Installing step flashing to stucco walls step 1.