Install Valley Flashing Metal Roof

Use 1 inch galvanized roofing nails.

Install valley flashing metal roof.

Some roofers cut the shingles parallel to the flashing s center ridge. No one of this affirmat. Attach the flashing panel in place at the bottom. Place a piece of sheet metal under the shingles to make sure you will not damage the flashing.

Fold the top over the roof ridge and cut the bottom along the drip edge metal. Lay the flashing down in the roof valley and start at the lower end of the roof. Others start with a 3 inch wide. Step 6 install the flashing.

Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant. Install synthetic roofing. 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. How to do it determine cuts.

Best practices for sealing the metal roof valley vary based on the slope of the roof. Many roofers cut the shingles across because they say it s safer. Install an underlayment centered in the roof valley. Remember to caulk the underside of the flashing with a sealant.

Make sure that the end of the flashing panel is perfectly in line with the edge of the roof. In this video i show you how i do the valleys on a shingle roof. First clean the debris out of the valley including sawdust nails and whatever else is in there. Now nail this first flashing at both its far ends.

I have my valley custom made with water trough to help with leaking b. The top joinery of both valleys when they meet on the same plane of roof is shown here. Recommended procedures of basic valley flashing installation. Snipping off the corners of.

With a clean valley you can lay down some peel and stick roofing membrane.