How To Install Flashing On Roof In Avalley

Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.

How to install flashing on roof in avalley.

Step 9 cut corners and apply cement. Most flashing is 8 inches wide. Place the flashing on the upper portion or the upper flange of the batten. Cut the top layer of shingles along the chalkline.

Apply an approximately 3 inch. Install the valley battens on the sides of the roof that you want to place the valley flashing. 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. Now nail this first flashing at both its far ends.

To splice the pieces add roofing cement to the lower piece and install the upper piece with at least a six inch. A batten is a roofing component made of a thin layer of metal plastic or wood and is used as a fixing point for roof tiles and roofing sheets. 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.

Fold the top of the flashing over the ridge. Cut the bottom edge and fold it down over the drip edge. Install an underlayment centered in the roof valley. 4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.

Step 6 install the flashing. Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.