Roofing W Valley Flashing

When properly installed w valley flashing will reliably channel run off water down the roof and into the gutter.

Roofing w valley flashing.

Lile points out that valleys lined with roll roofing are not as durable. Fold the top over the roof ridge and cut the bottom along the drip edge metal. Step 9 cut corners and apply cement. Nrca lile recommends that roof valley flashing metal for open roof valleys should be 26 gauge 0 45mm galvanized steel or equivalent noncorrosive nonstaining metal.

Clip the top corner of shingles along valleys to keep water flow toward center of valley. Slip a piece of sheet metal flashing under the top layer of shingles to protect the bottom layer in the valley while you cut the shingles with a hook blade. First clean the debris out of the valley including sawdust nails and whatever else is in there. Apply an approximately 3 inch width of asphalt roofing cement along the sides of flashing and embed shingles in mastic.

Cut the top layer of shingles along the chalkline. Get free shipping on qualified valley flashing roof flashing or buy online pick up in store today in the building materials department. Take care not to place any fasteners in the exposed center area of the metal flashing. Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing.