Valley Metal On Roof

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

Valley metal on roof.

Whether for slate shingle or metal roofing valley flashing adds detail and helps to direct water. 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. No sales pitch or other fluff. Contractors may be able to reduce the cost of materials on roofing projects by eliminating the metal being installed in the valleys.

For an open valley a sheet of metal usually steel sometimes copper is fastened to the roof deck. Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant. Closed cut valley fully replaced with new metal valley flashing. With a clean valley you can lay down some peel and stick roofing membrane.

Masterrib is a 36 wide 5 r. Valleys are a very important part of a well designed roofing system. The metal valley is installed on top of the ice and water shield and creates a highly effective barrier and passageway to keep your roof dry and protected. Why is a metal valley important while there are a number of materials that can be used in roof valleys metal provides the most durable longest lasting solution.

This will reduce the installed cost of the project. Roofing shingles are installed then cut and sealed where they overlap the metal channel. Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel. Fasteners placed in the exposed center area.

How to seal metal roof valley. The metal is usually pre painted to best complement the shingles color blend. 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.

Roof mastic applied along sides of valley flashing. These items can be fabricated in many different profiles. Some homeowners do not like the look of open valleys while others feel the metal accentuates the roof s shape particularly if copper or painted flashing is used. Punctures in the center of the valley.

Fold the top over the roof ridge and cut the bottom along the drip edge metal. Failure to extend the entire width of the metal valley flashing beyond the eave of the roof.