With a clean valley you can lay down some peel and stick roofing membrane.
How to install metal roof valley.
No sales pitch or other fluff.
Fold the top over the roof ridge and cut the bottom along the drip edge metal.
Roof one side of the valley running the shingles across it.
Metal valley trim also known as metal valley flashing is beneficial because it drains water away from the structure of your metal building which helps prevent moisture damage.
Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing.
Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles.
Masterrib is a 36 wide 5 r.
Stop nailing 6 inches from the center.
Lay one and two tab shingles as you near the valley so full size shingles will run across the valley.
Just simple 3d animated digital instructions on how to install a valley on a masterrib panel roof.
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