Sloped Metal Roof Flashing Details

Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing.

Sloped metal roof flashing details.

To provide a drip edge allow an overhang of 1 to 2 inches at the eave. Roofing plies copper flashing and membrane shall be secured under the clamping ring of the roof drain. The base flashing extends onto the roof a minimum of 4 and is soldered to the ventilator. Install a 36 inch square copper flashing at each sump set on finished roofing felts in adhesive.

Apply a new two ply strip in of membrane and adhesive at the perimeter of the copper. The kick out flashing directs water away. The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge. At the gable edge use a gable or sidewall flashing.

Most manufacturers will require a stringent review by their technical department before offering a warranty on low slope metal roof systems. Paraguard expansion joint roof to wall with parasolo flashing. In every case the top edge of the flashing passes underneath the underlayment the upper pieces of flashing pass over the lower pieces and the lower edge of the flashing always passes over the top of the roofing material. This will keep weather out prevent lifting in high winds and provide a neat finished appearance.

Flashing is installed to surround roof features such as vents chimneys and skylights. One common method is to lay the edge metal under the eaves membrane and over the rake. Wall base termination detail. The upturned leg of the step flashing is behind the vertical drainage plane or sealed to it with adhesive membrane and sheathing tape.

This detail illustrates a method of flashing a ventilator on a sloped roof. Details concrete masonry roofing wrb flashing. A critical component of step flashings along the run of the roof slope is a kick out flashing. Wall with self terminating parapro paraflex 531.

Large flashings are formed with a hook edge on the top and sides and cleated to the sheathing at 12 o c. Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. Two ways to flash roof edges.

Paraguard expansion joint roof to roof with parasolo flashing. Install new drain strainers. The lower edge is hemmed for stiffness. In the case of low slope metal roof systems spending extra time on flashing details is absolutely critical.

Wall flashing with coated metal edge.