Install Valley Flashing Metal Roof

Many roofers cut the shingles across because they say it s safer.

Install valley flashing metal roof.

Apply an approximately 3 inch. 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. Place a piece of sheet metal under the shingles to make sure you will not damage the flashing. Recommended procedures of basic valley flashing installation.

No one of this affirmat. I have my valley custom made with water trough to help with leaking b. Make sure that the end of the flashing panel is perfectly in line with the edge of the roof. With a clean valley you can lay down some peel and stick roofing membrane.

First clean the debris out of the valley including sawdust nails and whatever else is in there. Snipping off the corners of. Best practices for sealing the metal roof valley vary based on the slope of the roof. Lay the flashing down in the roof valley and start at the lower end of the roof.

Others start with a 3 inch wide. Some roofers cut the shingles parallel to the flashing s center ridge. In this video i show you how i do the valleys on a shingle roof. Use 1 inch galvanized roofing nails.

Step 6 install the flashing. Install synthetic roofing. Now nail this first flashing at both its far ends. Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant.

How to do it determine cuts. Fold the top over the roof ridge and cut the bottom along the drip edge metal. 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. The top joinery of both valleys when they meet on the same plane of roof is shown here.

Remember to caulk the underside of the flashing with a sealant.