Flashing A Metal Roof Valley

Make sure that the end of the flashing panel is perfectly in line with the edge of the roof.

Flashing a metal roof valley.

Remember to caulk the underside of the flashing with a sealant. Cut the bottom edge and fold it down over the drip edge. To splice the pieces add roofing cement to the lower piece and install the upper piece with at least a six inch. Now nail this first flashing at both its far ends.

Fold the top of the flashing over the ridge. Then install a non corrosive metal valley flashing of 24 minimum width lap successive sheets of metal flashing a minimum of 12 inches and seal laps. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. Step 6 install the flashing.

One common method is to lay the edge metal under the eaves membrane and over the rake. Two ways to flash roof edges. A quick step by step guide on how to flash a metal roof. Apply an approximately 3 inch.

Install an underlayment centered in the roof valley. Step 9 cut corners and apply cement dub cut the top layer shingles see step 4 in open metal valley above. Recommended procedures of basic valley flashing installation. Lay the flashing down in the roof valley and start at the lower end of the roof.

Install valley battens on both ends of the roof valley then attach first flashing 3 4 inches over the roof flange and another 3 4 inches over the fascia if any is present. Metal roof flashing installation. How to flash a metal roof. Valley flashings are custom fabricated to any measurements and angles and usually measure 10 in length but can also be bent in 12 lengths.

Make metal roof valley clips cleats get some of the flashing material that matches your valley flashing in metal and thickness cut some strips the dimensions are not critical maybe 3 4 to 1 1 2 wide x roughly 5 6 long bend one end of each strip over roughly 3 4 to 1 but do not hammer it. Details concrete masonry roofing wrb flashing. Use 1 inch galvanized roofing nails. For example in metal roofing systems valleys are commonly fabricated with hems but can also be fabricated without them in which case they could still be used for metal roofing or any other type of roofing.