Roof Shingles On Valleys

Shingles from the other side are run through the valley center line and cut along a line parallel to and 4 cm from the center line.

Roof shingles on valleys.

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. Only nail at the edges with only enough nails to. Place a roofing nail in each corner and one in the center on its appropriate side. Start at the upper row of shingles at the upper end of the.

Measure the width of the sheet metal valley flashing. In addition it is important to avoid nailing the shingles through the valley metal. However these shingles are not run entirely through the valley area but rather the center of the metal valley is left exposed. Starting at the bottom edge of the valley begin laying down the shingles.

Position an extension ladder against the lower edge of the roof near the valley that is repaired. Ensure ice and water protector has been installed along the valley first. Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys. One layer of shingles actually crosses the valley beneath the other.

Press the shingle into the valley and make sure that it is flat against the surface of the roof. For closed cut valleys shingles on one roof plane are installed through a valley and extended at least 30 cm into the intersecting plane. As the asphalt shingles are installed over the roof deck the shingles are extended into the valley. Typical valley flashing is 14 inches wide.

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. The open woven and closed cut methods are demonstrated. Valleys are a prime leak area so it s important to be careful.