Install Valley Flashing Metal Roof

Fold the top over the roof ridge and cut the bottom along the drip edge metal.

Install valley flashing metal roof.

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. I have my valley custom made with water trough to help with leaking b. Now nail this first flashing at both its far ends. Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel.

Remember to caulk the underside of the flashing with a sealant. Place a piece of sheet metal under the shingles to make sure you will not damage the flashing. Install an underlayment centered in the roof valley. Make sure that the end of the flashing panel is perfectly in line with the edge of the roof.

Some roofers cut the shingles parallel to the flashing s center ridge. Many roofers cut the shingles across because they say it s safer. How to do it determine cuts. Apply an approximately 3 inch.

Use 1 inch galvanized roofing nails. Step 6 install the flashing. Others start with a 3 inch wide. Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant.

No one of this affirmat. Recommended procedures of basic valley flashing installation. In this video i show you how i do the valleys on a shingle roof. 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.

Install synthetic roofing. Attach the flashing panel in place at the bottom. With a clean valley you can lay down some peel and stick roofing membrane. The top joinery of both valleys when they meet on the same plane of roof is shown here.

Snipping off the corners of.