Ensure ice and water protector has been installed along the valley first.
How to shingle a roof valley.
Step 5 install.
This flashing must be about 18.
Step 3 apply mineral roofing felt.
Step 2 install metal flashing.
When shingling a roof with three tab shingles it s easiest to shingle the roof planes first working toward the valley.
The open woven and closed cut methods are demonstrated.
Step 4 determine shingle lines.
I then move the shingle to the uppermost course on the roof plane line up the mark on the shingle with the valley center and again mark the corner.
To secure the roof valley flashing nail it down carefully.
To shingle out of the valley with laminated shingles lay a shingle down as a gauge and mark the corner at the bottom left and top right of the roof.
Shingles from the other side are run through the valley center line and cut along a line parallel to and 4 cm from the center line.
Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys.
All valleys start the same.
Only nail at the edges with only enough nails to.
One layer of shingles actually crosses the valley beneath the other.
How to shingle a valley roof.
Then starting at the base of the.
Laminated shingles let you start in the valley and work outward which can be an advantage in some situations.
Before you begin laying down the shingles it must be protected with a metal flashing.