How To Tin A Roof Valley

Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant.

How to tin a roof valley.

I have my valley custom made with water trough to help with leaking b. Lay one and two tab shingles as you near the valley so full size shingles will run across the valley. Cut the bottom edge and fold it down over the drip edge. 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. To secure the roof valley flashing nail it down carefully. Stop nailing 6 inches from the center. Use tape sealant between the valley trim and the panel.

Then starting at the base of the. 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. The top joinery of both valleys when they meet on the same plane of roof is shown here. Make sure to cover the gap at the bottom of the raised ridge.

Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles. Fold the top of the flashing over the ridge.