Flashing Roof To Rake Wall

Details concrete masonry roofing wrb flashing.

Flashing roof to rake wall.

Metal roof flashing is a galvanized sheet metal that is bent at a 90 degree angle about 8 to 12 inches on each side of the angle. All exterior wall coverings whether it is wood siding vinyl siding brick or stone veneer stucco etc. Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it. During severe winds shingles are more likely to lift along the rake edges where they don t have the benefit of shingle overlap at the edge.

I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall. It comes in 10 foot lengths or for step flashing 6 inch lengths. It is used to seal the gap between walls and intersecting roofs. One common method is to lay the edge metal under the eaves membrane and over the rake.

Your shingles and gutters do most of the work at the eaves so the drip edge is merely on call support. Roof to wall flashing there have always been problems with the flashing details at head walls rake walls and chimneys especially if stucco brick or stone veneer is used. Gable rake flashing is a professional trim product that covers the exposed ends of metal roofing panels resulting in a neater appearance. I cut the tape so that it laps onto the housewrap above and 3 in.

Eave to rake wall flashing one of the most troublesome areas of the roof is the eave to rake wall flashing intersection. Two ways to flash roof edges. Flexible flashing tape seals the eave to the wall. The majority of roof leaks occur in locations where the plane of the roof is interrupted by a ridge another roof intersecting at an angle a wall or penetration.

N at roof to wall intersections see figure 1. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. Must be kept up off the surface of the roof a minimum 1 some manufacturers of exterior wall coverings require a minimum of 2. N tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape.

However the problems in this area can be greatly reduced if some guidelines are followed. Drip edges are strips of flashing material that run along roof eaves and rakes to prevent water from seeping under the finished roof along its edges. Without gable rake flashing protection wind driven rain can begin to rot the fascia and roof deck. Flashing wrapped at the rake edge gives that extra layer of defense.

Same type of metal as the flashing material. These flashings are typically found around dormers chimneys skylights other roof to wall. Roof flashings are typically used at roof wall intersections. N use flashing cement at joints to help secure flashing.

N use step flashing that has a 2 to 4 inch lon ger vertical leg than normal.