Roofing W Valley Flashing

With a clean valley you can lay down some peel and stick roofing membrane.

Roofing w valley flashing.

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. Cut the top layer of shingles along the chalkline. First clean the debris out of the valley including sawdust nails and whatever else is in there.

Fold the top over the roof ridge and cut the bottom along the drip edge metal. Clip the top corner of shingles along valleys to keep water flow toward center of valley. Lile points out that valleys lined with roll roofing are not as durable. Get free shipping on qualified valley flashing roof flashing or buy online pick up in store today in the building materials department.

Overview w valley flashing protects the critical area of your roof where two slopes come together to form a 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. Be sure to check local building codes to ensure you have the proper width for your application. Apply an approximately 3 inch width of asphalt roofing cement along the sides of flashing and embed shingles in mastic.