Some roofers cut the shingles parallel to the flashing s center ridge.
How do you shingle a roof valley.
Others start with a 3 inch wide.
It is best placing metal flashing or a scrap piece of wood under the shingle you will be cutting as not to cut the shingle underneath.
Start by overlapping a starter from both sides of the valley at the bottom.
Place a piece of sheet metal under the shingles to make sure you will not damage the flashing.
Then starting at the base of the.
You want to lay the shingles from the bottom to the top of the valley.
Step 5 install.
To secure the roof valley flashing nail it down carefully.
Apply roofing cement to the underside of each cut shingle in the valley center.
Step 3 apply mineral roofing felt.
Then your first shingle goes on the side you are going to cut.
Step 2 install metal flashing.
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.
Weave and cut the valley on the highest side of the roof.
How to shingle a valley roof.
Step 1 snap chalk line.
Step 4 determine shingle lines.
When you get to the valley cut the shingles along the chalk line.
How to do it determine cuts.
Before you begin laying down the shingles it must be protected with a metal flashing.
Ensure ice and water protector has been installed along the valley first.
Only nail at the edges with only enough nails to.
The next one goes on the low side.
This flashing must be about 18.