Installing Metal Roof Valley Flashing

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.

Installing metal roof valley flashing.

How to do it determine cuts. Install an underlayment centered in the roof valley. To splice the pieces add roofing cement to the lower piece and install the upper piece with at least a six inch. Make sure to cover the gap at the bottom of the raised ridge.

Attach the flashing panel in place at the bottom. Lay the flashing down in the roof valley and start at the lower end of the roof. 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. Lay the flashing in a way that.

Recommended procedures of basic valley flashing installation. Step 6 install the flashing. Some roofers cut the shingles parallel to the flashing s center ridge. Fold the top of the flashing over the ridge.

Cut the bottom edge and fold it down over the drip edge. Use 1 inch galvanized roofing nails. Now nail this first flashing at both its far ends. 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. Make sure that the end of the flashing panel is perfectly in line with the edge of the roof. Others start with a 3 inch wide. Place a piece of sheet metal under the shingles to make sure you will not damage the flashing.

Place the flashing on the upper portion or the upper flange of the batten. Apply an approximately 3 inch.