Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing.
How to install metal roof valley.
No sales pitch or other fluff.
Masterrib is a 36 wide 5 r.
Just simple 3d animated digital instructions on how to install a valley on a masterrib panel roof.
Lay one and two tab shingles as you near the valley so full size shingles will run across the valley.
Here at 1st coast metal roofing supply we value our customer service and product qu.
Shingle the other side of the valley the same way.
Stop nailing 6 inches from the center.
Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles.
With a clean valley you can lay down some peel and stick roofing membrane.
Fold the top over the roof ridge and cut the bottom along the drip edge metal.
When installing metal valley flashing there are a few things to keep in mind from cutting metal roofing to sealing the flashing.