Proper Way To Shingle A Roof Valley

Each flashing should overlap the one below by at least 75 mm 3 but not be visible below the shingle top lap.

Proper way to shingle a roof valley. All valleys start the same. One nail goes into the top section of the shingle where it covers the valley metal. Then starting at the base of the. Remove existing roof and underlayment.

Place the nails along the edge of the valley metal not into it. Laminated shingles let you start in the valley and work outward which can be an advantage in some situations. In addition it is important to avoid nailing the shingles through the valley metal. 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.

Butt a full shingle up against the cut shingle and nail into place. The original plan was to preserve a portion of the existing roof since. When shingling a roof with three tab shingles it s easiest to shingle the roof planes first working toward the valley. Only nail at the edges with only enough nails to.

Ensure ice and water protector has been installed along the valley first. Repeat this basic pattern alternating shingles across the roof working toward the right side using the chalk line to keep the shingles straight horizontally. How to shingle a roof 90 pics pro tips recommendations step 1. 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.

To secure the roof valley flashing nail it down carefully. There are two simple rules to follow. As the asphalt shingles are installed over the roof deck the shingles are extended into the valley. 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.

This picture gives you an idea of the condition of the existing roof plywood and you.