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. Installing the roofing felt. Add cement and flashing.

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I cut the tape so that it laps onto the housewrap above and 3 in.

How to flash a roof against a wall.

Do not fasten the flashing to the wall because it must float with the roof. Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it. Step flashing redirects the water back onto the shingle. Metal roof flashing can be use to seal gaps between roof walls.

A 5 inch wide flashing will result in a 2 1 2 roof deck flange and 2 1 2 vertical wall flange. Metal roof flashing is a galvanized sheet metal bent at right angles with about eight to 12 inches on each side of the angle. For step flashing with a stucco wall you will be working in part on the roof. Iws is used in conjunction with step flashing or 4x5 wall flashing to create a water tight junction.

Next you will use asphalt or roofing cement. 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. How to install roof flashing against a wall.

The first step flashing or the corner flashing should rest. 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. Above the roof sheathing.

How to install roof flashing against a wall with a corner lay the underlaymentand the shingles fully up till the wall. Layer the cement on the area that you. Flexible flashing tape seals the eave to the wall. These kinds of houses often have a roof that butts against a wall.

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. Likewise a 10 wide flashing will result in a 5 inch wide roof deck flange and a 5 inch vertical flange. In this video isaac illustrates installation of an 18 w. I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall.

It is commonly used in two story and side split houses.