7 Best Of How To Do Step Flashing On A Roof HD Image Size. Length to extend 5 in. Where the next piece of flashing will overlap apply a bead of caulk to seal the corner.
Jan 17 2019 The step flashing should be 10 inches wide which is 5 inches up the wall and 5 inches running under the shingles and it should be cut 2 inches longer than the exposed portion of the shingle to provide for a 2 inch overlap. The roof deck flange of step flashings are to be fastened to the surface of each shingle in a position whereby the next course of shingles will cover up hide the flashing from view. Start with Corner Flashing When installing step flashing on roof corner flashing should always come first.
GAF- Mastering The Roof chapter 13Flashing is used to seal and protects joints in a building from water penetration by direct the flow of water away from t.
Step flashing are small metal rectangles that are installed shingle fashion at the intersection between a roof and wall to prevent water intrusion into both the roof and wall and channel water back out onto the roof and safely off the house. Step flashing on roofs is intended to prevent the intrusion of water between a wall and shingles where the step flashing on the side of the shingle meets a vertical wall terminationTo repair these flashings there are certain facts you should be aware of to prevent unwanted water leakage. Where the next piece of flashing will overlap apply a bead of caulk to seal the corner. Ensure it sits flat and extends at least 8 inches above the shingles.