Valley Metal On Roof

Avoid the following common errors.

Valley metal on roof.

Roofing shingles are installed then cut and sealed where they overlap the metal channel. Failure to extend the entire width of the metal valley flashing beyond the eave of the roof. 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. Whether for slate shingle or metal roofing valley flashing adds detail and helps to direct water.

An open valley relies on metal flashing for protection. Valleys are a very important part of a well designed roofing system. Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing. Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant.

That flashing is left exposed so the roof has visible lines of metal running down the valley. Fold the top over the roof ridge and cut the bottom along the drip edge metal. The metal is usually pre painted to best complement the shingles color blend. 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.

Contractors may be able to reduce the cost of materials on roofing projects by eliminating the metal being installed in the valleys. 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. Fasteners placed in the exposed center area. This will reduce the installed cost of the project.

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. Roof mastic applied along sides of valley flashing. For an open valley a sheet of metal usually steel sometimes copper is fastened to the roof deck. Punctures in the center of the valley.

No sales pitch or other fluff. Just simple 3d animated digital instructions on how to install a valley on a masterrib panel roof. Masterrib is a 36 wide 5 r. Best practices for sealing the metal roof valley vary based on the slope of the roof.

These items can be fabricated in many different profiles. How to seal metal roof valley.