Steel Roof Valley Detail

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

Steel roof valley detail.

The top joinery of both valleys when they meet on the same plane of roof is shown here. Masterrib is a 36 wide 5 r. One of the details that varies between homes is the method of flashing the valley areas of the roof. In this video we ll flash the valley.

First clean the debris out of the valley including sawdust nails and whatever else is in there. Best materials ph. Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel. How to seal metal roof valley.

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. To understand what makes a valley either closed or open it is important to understand how a valley is constructed. An open valley relies on metal flashing for protection. No sales pitch or other fluff.

Just simple 3d animated digital instructions on how to install a valley on a masterrib panel roof. I have my valley custom made with water trough to help with leaking b. For longer slopes and lower roof pitches contact fabral for other suitable profiles. Best practices for sealing the metal roof valley vary based on the slope of the roof.

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. Roof pitch the metal roofing panels shown in this manual require a min imum slope of 2 ʺ per foot to ensure proper drainage. There are two common methods for completing the flashing of a valley in a shingle roof system.

Drip edge metal valley flashing dormer chimney and kick out flashing shed water away from the connections between roofs walls chimneys and other building assemblies this collection of 18 articles animations and videos identifies the critical roof flashing areas illustrates durable roof flashing details and shows how to flash roofs. Closed valleys or open valleys.