Installing Valley Roof Flashing

Place a piece of sheet metal under the shingles to make sure you will not damage the flashing.

Installing valley roof flashing.

In this video i show you how i do the valleys on a shingle roof. Flashing is generally installed at any joints or edges in the roof where water could otherwise work its way in. You can choose from v or w shaped types of flashing. Install the underlayment as directed by the manufacturer then set the valley flashing on top of it.

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 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. Install an underlayment centered in the roof valley.

Many roofers cut the shingles across because they say it s safer. Remember to caulk the underside of the flashing with a sealant. Others start with a 3 inch wide. The edge of the roof has thin metal flashing that helps water drip off.

Typically flashing is installed using roofing nails and roofing cement. Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies. How to do it determine cuts. When you lay the flashing down make sure it is flush with the drip edges at the bottom of the valley.

No one of this affirmat. Apply an approximately 3 inch. In order to properly install new flashing you ll have to remove the shingles surrounding your old flashing and then re lay them after installation. Some roofers cut the shingles parallel to the flashing s center ridge.

Step 6 install the flashing. Trim as needed with your tin snips. Make sure to cover the gap at the bottom of the raised ridge. The installer fabricates simple clips or valley flashing cleats whose bent edge interlocks with the folded over or hemmed edges of the metal roof valley flashing to secure the valley to the roof deck.

Snipping off the corners of. Cut the bottom edge and fold it down over the drip edge. Now nail this first flashing at both its far ends. Use roof valley cleats at intervals of 24 o c.

Fold the top of the flashing over the ridge. Using clips permits movement in the valley as temperatures change.