Proper Way To Shingle A Roof Valley

However these shingles are not run entirely through the valley area but rather the center of the metal valley is left exposed.

Proper way to shingle a roof valley.

When shingling a roof with three tab shingles it s easiest to shingle the roof planes first working toward the valley. Place the nails along the edge of the valley metal not into it. From the stepped off main part of the roof run shingles into the valley and cut them square from where the bottom corner intersects with the shingles nailed along the valley line. Imbed each step flashing in a 75 mm 3 wide application of asphaltic plastic cement and nail in place.

One nail goes into the top section of the shingle where it covers the valley metal. 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. In addition it is important to avoid nailing the shingles through the valley metal. This picture gives you an idea of the condition of the existing roof plywood and you.

Butt a full shingle up against the cut shingle and nail into place. To secure the roof valley flashing nail it down carefully. How to shingle a roof 90 pics pro tips recommendations step 1. Then starting at the base of the.

All valleys start the same. 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. There are two simple rules to follow. Remove existing roof and underlayment.

Only nail at the edges with only enough nails to. Repeat this basic pattern alternating shingles across the roof working toward the right side using the chalk line to keep the shingles straight horizontally. Each flashing should overlap the one below by at least 75 mm 3 but not be visible below the shingle top lap. As the asphalt shingles are installed over the roof deck the shingles are extended into the valley.

The original plan was to preserve a portion of the existing roof since.