Lay the flashing in a way that.
Installing metal roof valley flashing.
Remember to caulk the underside of the flashing with a sealant.
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.
Install an underlayment centered in the roof valley.
Apply an approximately 3 inch.
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.
Lay the flashing down in the roof valley and start at the lower end of the roof.
How to do it determine cuts.
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.
Now nail this first flashing at both its far ends.
Some roofers cut the shingles parallel to the flashing s center ridge.
Others start with a 3 inch wide.
Install the valley battens on the sides of the roof that you want to place the valley flashing.
Place the flashing on the upper portion or the upper flange of the batten.
Step 6 install the flashing.
Place a piece of sheet metal under the shingles to make sure you will not damage the flashing.
Fold the top of the flashing over the ridge.
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 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.
Attach the flashing panel in place at the bottom.