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How to install metal roof valley.
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.
Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles.
No sales pitch or other fluff.
Fold the top over the roof ridge and cut the bottom along the drip edge metal.
With a clean valley you can lay down some peel and stick roofing membrane.
Shingle the other side of the valley the same way.
Just simple 3d animated digital instructions on how to install a valley on a masterrib panel roof.
Masterrib is a 36 wide 5 r.
Lay one and two tab shingles as you near the valley so full size shingles will run across the valley.
Roof one side of the valley running the shingles across it.
Stop nailing 6 inches from the center.