Installing Metal Roof Valley Flashing

Remember to caulk the underside of the flashing with a sealant.

Installing metal roof valley flashing.

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. To splice the pieces add roofing cement to the lower piece and install the upper piece with at least a six inch. Step 6 install the flashing. Lay the flashing in a way that.

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. Install the valley battens on the sides of the roof that you want to place the valley flashing. Install an underlayment centered in the roof valley. Others start with a 3 inch wide.

How to do it determine cuts. Some roofers cut the shingles parallel to the flashing s center ridge. Lay the flashing down in the roof valley and start at the lower end of the roof. Attach the flashing panel in place at the bottom.

Place a piece of sheet metal under the shingles to make sure you will not damage the flashing. Recommended procedures of basic valley flashing installation. Cut the bottom edge and fold it down over the drip edge. 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.

Snipping off the corners of. Drip edge metal valley flashing dormer chimney and kick out flashing shed water away from the connections between roofs walls chimneys and other building assemblies this collection of 18 articles animations and videos identifies the critical roof flashing areas illustrates durable roof flashing details and shows how to flash roofs. Use 1 inch galvanized roofing nails. Fold the top of the flashing over the ridge.

Place the flashing on the upper portion or the upper flange of the batten. Now nail this first flashing at both its far ends.