How To Tin A Roof Valley

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

How to tin a roof valley.

Use tape sealant between the valley trim and the panel. Roof one side of the valley running the shingles across it. Stop nailing 6 inches from the center. To secure the roof valley flashing nail it down carefully.

Fold the top of the flashing over the ridge. 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. Ensure ice and water protector has been installed along the valley first.

Make sure to cover the gap at the bottom of the raised ridge. Shingle the other side of the valley the same way. The top joinery of both valleys when they meet on the same plane of roof is shown here. Only nail at the edges with only enough nails to.

To splice the pieces add roofing cement to the lower piece and install the upper piece with at least a six inch. Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant.