Metal Roofing Valley Detail

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

Metal roofing valley detail.

Also for exposed fastener panels wall panels tiles soffit fascia copping. These items can be fabricated in many different profiles. Metal roofing specifications cad pdf drawings testing bim. Details roofing siding exterior trim wrb flashing.

With a clean valley you can lay down some peel and stick roofing membrane. 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. For longer slopes and lower roof pitches contact fabral for other suitable profiles. Fold the top over the roof ridge and cut the bottom along the drip edge metal.

How to seal metal roof valley. Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies. There are two common methods for completing the flashing of a valley in a shingle roof system. Eave detail w gutter 2.

Eave w fascia detail. Eave detail w gutter 1. Best materials ph. An open valley relies on metal flashing for protection.

Best practices for sealing the metal roof valley vary based on the slope of the roof. For example in metal roofing systems valleys are commonly fabricated with hems but can also be fabricated without them in which case they could still be used for metal roofing or any. Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing. Closed valleys or open valleys.

To understand what makes a valley either closed or open it is important to understand how a valley is constructed. 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. 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.

One of the details that varies between homes is the method of flashing the valley areas of the roof. Roof pitch the metal roofing panels shown in this manual require a min imum slope of 2 ʺ per foot to ensure proper drainage.