Laying Shingles In Roof Valleys

Begin to install roof shingles on either roof face.

Laying shingles in roof valleys.

Nail the drip edge in place using your hammer and roofing nails. The bottom row of shingles must hang past the edge of the roof. If your roof s width is not an even multiple of the shingle s length you will have a partial piece on one end of each row. Stop nailing 6 inches from the center.

Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles. Always install flashing around a chimney and other valleys where two roof planes meet as these areas are more prone to leaks if not protected. The next one goes on the low side. Start by overlapping a starter from both sides of the valley at the bottom.

This will help determine how the shingles will lay on the roof width. Then your first shingle goes on the side you are going to cut. Nail down each valley shingle at least two inches 50 mm back from the chalk line. Roof one side of the valley running the shingles across it.

Shingle the other side of the valley the same way. Lay one and two tab shingles as you near the valley so full size shingles will run across the valley. 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. When laying shingles work from the bottom to the top of the roof.

You want to lay the shingles from the bottom to the top of the valley. Most asphalt shingles are 3 feet 91 4 centimeters in length. Roof installation how to shingle a valley hd by roofrepair101 more about roofing at. Weave and cut the valley on the highest side of the roof.

When you reach the valley lay the shingles over the valley and trim the edges to the chalk line.