How To Cut A Metal Roof Valley

Ultimately laying any shingle in a valley can restrict proper water and debris flow unlike the metal flashing used in an open valley.

How to cut a metal roof valley.

Cut the panels from the ground instead of on the roof to avoid damaging the roof with the debris. No sales pitch or other fluff. Just simple 3d animated digital instructions on how to install a valley on a masterrib panel roof. With an open valley a strip of metal will be visible on the roof wherever two opposing roof planes meet.

Roofing shingles are installed then cut and sealed where they overlap the metal channel. California cut valleys make for a great closed cut valley however we have an installation trick to improve performance in areas of high winds snow or rain. The metal is usually pre painted to best complement the shingles color blend. Masterrib is a 36 wide 5 r.

Fold the top over the roof ridge and cut the bottom along the drip edge metal. When to choose a closed valley over an open valley. The shingles are then cut out of the valley area opening the surface of the valley lining to water run off and the environment. A variation of closed cut valley.

For an open valley a sheet of metal usually steel sometimes copper is fastened to the roof deck. Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel. Best practices for sealing the metal roof valley vary based on the slope of the roof. How to seal metal roof valley.