Metal Roof Valley Installation

Stop nailing 6 inches from the center.

Metal roof valley installation.

Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles. With a clean valley you can lay down some peel and stick roofing membrane. Roof one side of the valley running the shingles across it. Lap successive sheets of metal flashing a minimum of 12 inches and seal laps.

No sales pitch or other fluff. Recommended procedures of basic valley flashing installation. I have my valley custom made with water trough to help with leaking b. Open valley shingle installation.

Lay one and two tab shingles as you near the valley so full size shingles will run across the valley. Install an underlayment centered in the roof valley. Always be sure to refer to your local codes to see if they demand a particular kind of valley installation. How to seal metal roof valley.

Shingle the other side of the valley the same way. Cut the panels from the ground instead of on the roof to avoid damaging the roof with the debris. The top joinery of both valleys when they meet on the same plane of roof is shown here. Then install a non corrosive metal valley flashing of 24 minimum width.

Masterrib is a 36 wide 5 r. Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel. That flashing is left exposed so the roof has visible lines of metal running down the. Just simple 3d animated digital instructions on how to install a valley on a masterrib panel roof.

Indeed california valleys are prohibited in some areas. Best practices for sealing the metal roof valley vary based on the slope of the roof. An open valley relies on metal flashing for protection. Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing.