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How to install metal roof valley.
Lay one and two tab shingles as you near the valley so full size shingles will run across the valley.
No sales pitch or other fluff.
Just simple 3d animated digital instructions on how to install a valley on a masterrib panel roof.
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.
Shingle the other side of the valley the same way.
Stop nailing 6 inches from the center.
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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.
Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing.
When installing metal valley flashing there are a few things to keep in mind from cutting metal roofing to sealing the flashing.