Install Valley Flashing Metal Roof

Now nail this first flashing at both its far ends.

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. Others start with a 3 inch wide. 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.

Remember to caulk the underside of the flashing with a sealant. Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant. Snipping off the corners of. Place a piece of sheet metal under the shingles to make sure you will not damage the flashing.

Best practices for sealing the metal roof valley vary based on the slope of the roof. How to do it determine cuts. Some roofers cut the shingles parallel to the flashing s center ridge. Lay the flashing down in the roof valley and start at the lower end of the roof.

With a clean valley you can lay down some peel and stick roofing membrane. Fold the top over the roof ridge and cut the bottom along the drip edge metal. I have my valley custom made with water trough to help with leaking b. Step 6 install the flashing.

The top joinery of both valleys when they meet on the same plane of roof is shown here. Install synthetic roofing. Apply an approximately 3 inch. 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.

First clean the debris out of the valley including sawdust nails and whatever else is in there. No one of this affirmat. In this video i show you how i do the valleys on a shingle roof. Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel.

Install an underlayment centered in the roof valley.