Metal Roof Valley Installation

Just simple 3d animated digital instructions on how to install a valley on a masterrib panel roof.

Metal roof valley installation.

Fold the top over the roof ridge and cut the bottom along the drip edge metal. An open valley relies on metal flashing for protection. Open valleys on the other hand leave the metal exposed which may be more pleasing to the eye especially if copper is used as the valley lining. Lay one and two tab shingles as you near the valley so full size shingles will run across the valley.

Indeed california valleys are prohibited in some areas. Shingle the other side of the valley the same way. Recommended procedures of basic valley flashing installation. Best practices for sealing the metal roof valley vary based on the slope of the roof.

Open valley shingle installation. Then install a non corrosive metal valley flashing of 24 minimum width. Cut the panels from the ground instead of on the roof to avoid damaging the roof with the debris. With a clean valley you can lay down some peel and stick roofing membrane.

Always be sure to refer to your local codes to see if they demand a particular kind of valley installation. No sales pitch or other fluff. Stop nailing 6 inches from the center. That flashing is left exposed so the roof has visible lines of metal running down the.

Masterrib is a 36 wide 5 r. Install an underlayment centered in the roof valley. How to seal metal roof valley. Applicable for ultravic supervic 7 8 corrugated barnmaster diamond rib double.

Contractors may be able to reduce the cost of materials on roofing projects by eliminating the metal being installed in the valleys. Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing. This will reduce the installed cost of the project. Lap successive sheets of metal flashing a minimum of 12 inches and seal laps.

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