How To Flash A Roof Against A Wall

Add cement and flashing.

How to flash a roof against a wall.

How to install roof flashing against a wall with a corner lay the underlaymentand the shingles fully up till the wall. 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. It is commonly used in two story and side split houses.

A 5 inch wide flashing will result in a 2 1 2 roof deck flange and 2 1 2 vertical wall flange. 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. Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it.

Obviously the further up the wall a flashing extends the greater the resistance to water intrusion. Even if one piece of step flashing fails the flashing and shingle below it start the process over again. Flexible flashing tape seals the eave to the wall. Installing the roofing felt.

Layer the cement on the area that you. Above the roof sheathing. Likewise a 10 wide flashing will result in a 5 inch wide roof deck flange and a 5 inch vertical flange. The first step flashing or the corner flashing should rest.

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. Next you will use asphalt or roofing cement. In this video isaac illustrates installation of an 18 w. How to install roof flashing against a wall.

Installing step flashing to stucco walls step 1. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. For step flashing with a stucco wall you will be working in part on the roof. Metal roof flashing can be use to seal gaps between roof walls.

Do not fasten the flashing to the wall because it must float with the roof.