Installing Metal Roof Valley Flashing

Apply an approximately 3 inch.

Installing metal roof valley flashing.

Others start with a 3 inch wide. 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. Fold the top of the flashing over the ridge. Step 6 install the flashing.

Make sure to cover the gap at the bottom of the raised ridge. Some roofers cut the shingles parallel to the flashing s center ridge. 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. Place the flashing on the upper portion or the upper flange of the batten.

Recommended procedures of basic valley flashing installation. Remember to caulk the underside of the flashing with a sealant. Snipping off the corners of. Make sure that the end of the flashing panel is perfectly in line with the edge of the roof.

Use 1 inch galvanized roofing nails. 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. Now nail this first flashing at both its far ends. 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.

Install the valley battens on the sides of the roof that you want to place the valley flashing. Lay the flashing in a way that. Attach the flashing panel in place at the bottom. How to do it determine cuts.

Lay the flashing down in the roof valley and start at the lower end of the roof. To splice the pieces add roofing cement to the lower piece and install the upper piece with at least a six inch.