Closed Cut Valley Roof

The shingles are then cut out of the valley area opening the surface of the valley lining to water run off and the environment.

Closed cut valley roof. Plus cutting the closed cut valley shingles can happen after the rest of the roof is shingled. 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. For a closed valley shingles are installed across the joint where planes intersect. A variation of closed cut valley.

With an open valley a strip of metal will be visible on the roof wherever two. A chalk line is then used to strike a line from the top of the valley to the bottom of the valley. As for cost closed cut valleys are the way to go. I begin the second side.

With a closed cut valley there s no need to shingle the two roof planes at the same time. With each new course roofing shingles continue up the valley. 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. If you prefer a concealed valley lining and want your roof to blend together choose the closed valley.

Roof is 5 12 slope with a couple of valleys. In general the closed cut valley method implies stretching one side of the shingles beyond the valley while those on the other side are trimmed. 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. I m trying to decide on the best way to do the valleys open metal valleys or closed cut ones.

When it comes to aesthetics that is all up to preference. 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. Can t afford standing seam metal though so it will be mid grade architectural asphalt shingles installed with meticulous detail. If you are looking to install shingles you might want to consider the closed cut valley method it is popular because the two roof planes do not need to be shingled at the same time.

I want my roof to be as leak proof and long lasting as possible. If you like exposed metal especially if you use copper you may want to pick open. I m in a mixed humid climate zone 4a.