Roof Under Flashing

Step flashing should always be used where the roof deck meets a sidewall.

Roof under flashing.

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. Continuous flashing protects the joint between a vertical wall and a sloped roof. The extra kick at the bottom of the face directs run off away from the structure. If you find damage then you will have to get it.

How to repair roof flashing step one. Plug pinholes with roofing cement and patch holes up to about 3 4 inch in diameter with a patch from the same material as the flashing. Cap flashing mortared or caulked into the chimney laps over the top edges of the other flashings to prevent water from running behind them. Drip edges prevent water from seeping under roofing along the edges of rakes and eaves.

However it s important to check for damage anyway. Base flashing is one length of flashing that is bent along the length to match the pitch of the roof. Storm proof roof 2. This drip edge flashing provides protection from water damage along the eaves and rake of a roof.

They re applied under roofing felt along eaves and over roofing felt along rakes. Galvanized roof nails and roofing cement under each flashing step keeps the flashing in place and prevents water from sneaking under it. 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. When working with step flashing this may involve removing undamaged pieces of flashing as well.

The upper sides of step flashing can be laid flush to the chimney side and cemented to the brick or stone attractively with roof cement that follows its staircase like upper edges. First roughen the area around the hole with a wire brush or sandpaper and then clean it. How to repair roof flashing small holes or corroded spots in flashing can be easily repaired. Be sure to follow the.