How Do You Shingle A Roof Valley

Step 1 snap chalk line.

How do you shingle a roof valley. Step 5 install. Then starting at the base of the. You want to lay the shingles from the bottom to the top of the valley. 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.

How to shingle a valley roof. Before you begin laying down the shingles it must be protected with a metal flashing. Step 2 install metal flashing. Others start with a 3 inch wide.

Laying shingles over the starter row and working up. Snipping off the corners of. Step 3 apply mineral roofing felt. Step 4 determine shingle lines.

Some roofers cut the shingles parallel to the flashing s center ridge. This flashing must be about 18. When you get to the valley cut the shingles along the chalk line. Only nail at the edges with only enough nails to.

To secure the roof valley flashing nail it down carefully. 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. How to do it determine cuts. Start by overlapping a starter from both sides of the valley at the bottom.

The next one goes on the low side. Then your first shingle goes on the side you are going to cut. Place a piece of sheet metal under the shingles to make sure you will not damage the flashing. Weave and cut the valley on the highest side of the roof.