How To Tin A Roof Valley
Lay one and two tab shingles as you near the valley so full size shingles will run across the valley.
How to tin a roof valley. I have my valley custom made with water trough to help with leaking b. Roof one side of the valley running the shingles across it. To splice the pieces add roofing cement to the lower piece and install the upper piece with at least a six inch. Only nail at the edges with only enough nails to.
Cut the bottom edge and fold it down over the drip edge. Steep slope roofs slope greater than 3 12 cut the panels at an angle for the valley then bend the hem end of the panel and hook it with a cleat. To secure the roof valley flashing nail it down carefully. Stop nailing 6 inches from the center.
Then starting at the base of the. Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant. The top joinery of both valleys when they meet on the same plane of roof is shown here. Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles.
Ensure ice and water protector has been installed along the valley first. Fold the top of the flashing over the ridge.