Roofing W Valley Flashing

Overview w valley flashing protects the critical area of your roof where two slopes come together to form a valley.

Roofing w valley flashing.

Clip the top corner of shingles along valleys to keep water flow toward center of valley. Get free shipping on qualified valley flashing roof flashing or buy online pick up in store today in the building materials department. Be sure to check local building codes to ensure you have the proper width for your application. Take care not to place any fasteners in the exposed center area of the metal flashing.

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. With a clean valley you can lay down some peel and stick roofing membrane. Lile points out that valleys lined with roll roofing are not as durable. First clean the debris out of the valley including sawdust nails and whatever else is in there.

Cut the top layer of shingles along the chalkline. Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing. Fold the top over the roof ridge and cut the bottom along the drip edge metal. 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.