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A properly installed chimney flashing system is vital for protecting your home from costly water damage. Understanding the different types of flashing, as illustrated in the chimney flashing diagrams provided, and the importance of proper installation is crucial for maintaining a leak-free roof.
4. Start the Step Flashing over the End Wall Flashing and apply a quality butyl sealant on each edge of the step flashing. Continue with each Step Flashing up the sides, finishing at the top by trimming and bending around the top. 5. Install the Back Pan Flashing at the top of the chimney and extend beyond the sides of the chimney by at least 3 ...
PDF DWG; Download all CAD Construction Details: 37.1 MB: 3.4 MB: MC01 – Identification of Roof Areas: 156 KB: 167 KB: MC01A – Single Layer Underlayment: 173 KB: 302 KB: MC01B – Double Layer Underlayment: ... MC14A – Chimney Flashing Step Type: 166 KB: 85 KB: MC15 – Chimney Cricket Flashing Pan Type: 174 KB:
Flashing typically consists of (1) “step” flashing, which is attached to the roof, (2) “cap” flashing, which is attached to the chimney or a wall ( Figure 10-2 ), (3) “drip edge” flashing, and (4) “valley” flashing.
The use of flashing in chimneys presents some unique construction details. The three primary areas of concern are: the base of the chimney, the intersection of the chim-ney with the roof, and the chimney crown. The Base. The base of the chimney is constructed in much the same manner as a brick cavity wall.
Detail 2.27e: Skylight–Isometric Showing Base Flashing Over Underlay 2-73 Detail 2.27f: Skylight–Isometric Showing Saddle and Step Flashing 2-75 Detail 2.28: Open Valley–Asphalt Shingle Roof 2-77 Detail 2.29: Closed and Woven Valley Flashing 2-79 Detail 2.30: Roof Area Divider 2-81 Detail 2.31:Building Movement Joint at Roof 2-83
chimney flashing details (steps 5 thru 8) met-tile plywood 06/16/2020 n.t.s. step #5 step #6 step #7 step #8
