Steel Roof Valley Detail

In a previous video we covered how to flash roof edges before shingling.

Steel roof valley detail.

Masterrib is a 36 wide 5 r. Roof pitch the metal roofing panels shown in this manual require a min imum slope of 2 ʺ per foot to ensure proper drainage. For longer slopes and lower roof pitches contact fabral for other suitable profiles. Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant.

To understand what makes a valley either closed or open it is important to understand how a valley is constructed. Best practices for sealing the metal roof valley vary based on the slope of the roof. In this video we ll flash the valley. Refer to the rain carrying table in this booklet for the maximum allowable panel length per slope that will provide adequate drainage.

No sales pitch or other fluff. The top joinery of both valleys when they meet on the same plane of roof is shown here. One of the details that varies between homes is the method of flashing the valley areas of the roof. There are two common methods for completing the flashing of a valley in a shingle roof system.

Roof valleys are like gutters with a steep pitch but the stakes are higher for valleys than they are for gutters. First clean the debris out of the valley including sawdust nails and whatever else is in there. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. Just simple 3d animated digital instructions on how to install a valley on a masterrib panel roof.

Best materials ph. I have my valley custom made with water trough to help with leaking b. That flashing is left exposed so the roof has visible lines of metal running down the valley. An open valley relies on metal flashing for protection.

Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel. 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.