Repair Roof Flashing Against Wall

Metal roof flashing can be use to seal gaps between roof walls.

Repair roof flashing against 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. We will take a look at how to install roof flashing against a wall in this article. Adhere it using your flashing cement. Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia.

These kinds of houses often have a roof that butts against a wall. Proper roof wall abutment flashing examples. But if the flashing rusts through or a piece comes loose water will run right behind it and into the house it goes. Step flashing is when you repair the damage by putting in new flashing over the damaged area.

Damaged or improperly installed roof flashing especially around the chimney or dormer is one of the most common causes of roof leaks. There are various ways to do roof flashing depending on which part of the roof you are flashing. Materials needed for roof flashing where roof meets wall. If there were no flashing against these walls water could slowly drip into the crevice between the wall and the roof and potentially into the home.

Above the roof sheathing. Step flashing is preferred over continuous flashing for roof flashing where the roof meets the wall. First snip the new flashing with your shearers then bend it to a 90 degree angle. Each short section of flashing channels water over the shingle downhill from it.

I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall. Then slide it up the roof preferably on top of the damaged flashing. Below are two photographs of roof wall step flashing completed and effective of a slate roof against a brick wall below left and in process with step flashing against a dormer sidewall before the dormer siding has been put in place below right. There are three different types of roof flashing repair.

Step flashing is used along walls that intersect the roof. I cut the tape so that it laps onto the housewrap above and 3 in.