Shingle A Roof Using Closed Valley Method

It is popular because the two roof planes do not need to be shingled at the same time.

Shingle a roof using closed valley method.

All valleys start the same. For this method the last shingles on the cut side of a cut valley are actually installed sideways so they run up and down the valley. One variant of the closed cut valley is the california valley also called long island valley and new jersey valley. For a closed valley shingles are installed across the joint where planes intersect.

If you are looking to install shingles you might want to consider the closed cut valley method. Working out of the valley with the closed cut method snap the cutline left then step the shingle back from the line to eliminate the need for dubbing the corners. When finished the valley and its underlayment will be completely covered with asphalt shingles. Proper way to do a closed cut valley.

Then rather than cutting the shingles on the high volume roof plane a row of shingles is installed with the exposure edge facing the valley center. With each new course roofing shingles continue up the valley. Roofing shingles roof by jbc contruction in riverside california greetings to joe belmontes. Here s one of the big advantages of working out of the valley with laminated shingles.

According to long time iko sales representative jeff tessaro closed valleys for residential construction have been popular since he was a roofing contractor in the late 90 s. It installs and looks almost the same as a regular cut valley where the shingles on the low volume roof plane are installed first and pass through the center of the valley by at least 12 in. 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. For closed cut valleys shingles on one roof plane are installed through a valley and extended at least 30 cm into the intersecting plane.

For a closed valley the roofer will install the shingles onto the roof deck and extend the asphalt shingles through the area where opposing roof planes meet so that the shingles cover or close the valley area. When shingling a roof with three tab shingles it s easiest to shingle the roof planes first working toward the valley. Here the gauge shingle marks the guide line right.