Metal Roof Valley Flashing Installation

Videos roofing wrb flashing.

Metal roof valley flashing installation.

How to cut metal roofing to fit valleys. 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. Place a piece of sheet metal under the shingles to make sure you will not damage the flashing. Snipping off the corners of.

Recommended procedures of basic valley flashing installation. Install an underlayment centered in the roof valley. Dealing with dips and making clean overlaps metal drip edge flashing is installed on the perimeter of a roof to direct water away from the fascia into the gutters and to keep wind blown rain. Make sure to cover the gap at the bottom of the raised 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. Cut the bottom edge and fold it down over the drip edge. Use 1 inch galvanized roofing nails. Drip edge installation on an existing roof.

Attach the flashing panel in place at the bottom. Applicable for ultravic supervic 7 8 corrugated barnmaster diamond rib double. When installing metal valley flashing there are a few things to keep in mind from cutting metal roofing to sealing the flashing. How to install a valley on a vicwest metal roof.

Make sure that the end of the flashing panel is perfectly in line with the edge of the roof. Apply an approximately 3 inch. Remember to caulk the underside of the flashing with a sealant. To splice the pieces add roofing cement to the lower piece and install the upper piece with at least a six inch.

Fold the top of the flashing over the ridge. Lay the flashing down in the roof valley and start at the lower end of the roof. Some roofers cut the shingles parallel to the flashing s center ridge. Now nail this first flashing at both its far ends.

Others start with a 3 inch wide.