Installing Metal Roof Valley Flashing

Step 6 install the flashing.

Installing metal roof valley flashing.

Some roofers cut the shingles parallel to the flashing s center ridge. 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. Attach the flashing panel in place at the bottom.

Remember to caulk the underside of the flashing with a sealant. Fold the top of the flashing over the ridge. Make sure that the end of the flashing panel is perfectly in line with the edge of the roof. Apply an approximately 3 inch.

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. Snipping off the corners of. Install an underlayment centered in the roof valley. Install the valley battens on the sides of the roof that you want to place the valley flashing.

Lay the flashing down in the roof valley and start at the lower end of the roof. Lay the flashing in a way that. Use 1 inch galvanized roofing nails. How to do it determine cuts.

To splice the pieces add roofing cement to the lower piece and install the upper piece with at least a six inch. Place the flashing on the upper portion or the upper flange of the batten. 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.

Cut the bottom edge and fold it down over the drip edge. 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.