An open valley relies on metal flashing for protection.
Steel roof valley detail.
In a previous video we covered how to flash roof edges before shingling.
No sales pitch or other fluff.
In this video we ll flash the valley.
I have my valley custom made with water trough to help with leaking b.
Refer to the rain carrying table in this booklet for the maximum allowable panel length per slope that will provide adequate drainage.
Just simple 3d animated digital instructions on how to install a valley on a masterrib panel roof.
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.
There are two common methods for completing the flashing of a valley in a shingle roof system.
Best materials ph.
Closed valleys or open valleys.
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.
One of the details that varies between homes is the method of flashing the valley areas of the roof.
Masterrib is a 36 wide 5 r.
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.
The top joinery of both valleys when they meet on the same plane of roof is shown here.
Roof valleys are like gutters with a steep pitch but the stakes are higher for valleys than they are for gutters.
Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel.
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 สบ per foot to ensure proper drainage.
For longer slopes and lower roof pitches contact fabral for other suitable profiles.
First clean the debris out of the valley including sawdust nails and whatever else is in there.
