How To Install Flashing On Roof In Avalley

Place the flashing on the upper portion or the upper flange of the batten.

How to install flashing on roof in avalley. Step 9 cut corners and apply cement. 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. Remember to caulk the underside of the flashing with a sealant. 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.

To splice the pieces add roofing cement to the lower piece and install the upper piece with at least a six inch. Recommended procedures of basic valley flashing installation. Now nail this first flashing at both its far ends. Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.

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. Fold the top of the flashing over the ridge. 4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles. Apply an approximately 3 inch.

Install an underlayment centered in the roof valley. Most flashing is 8 inches wide. Install the valley battens on the sides of the roof that you want to place the valley flashing. Cut the bottom edge and fold it down over the drip edge.

Make sure to cover the gap at the bottom of the raised ridge. Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.