How To Start A Closed Roof Valley

This channel is for educational purposes only.

How to start a closed roof valley.

A closed cut asphalt shingle roof valley starts the same way as a woven valley with the first course of shingles run across the valley from both roof planes lapping the shingle from the larger or steeper roof plane over the shingle from the smaller shallower plane. Keeping the cutline away from the center of the valley creates a better watercourse for runoff and tends to hide discrepancies in the line after the shingles are cut. If you are installing a closed valley the roofer will install shingles to the roof deck and extend the shingles through the valley so that it covers the entire valley area. To 5 1 2 in which is more than the minimum offset required by shingle manufacturers.

Roof installation how to shingle a valley hd by roofrepair101 more about roofing at. From the valley center. With a closed cut valley there s no need to shingle the two roof planes at the same time. Stretch it about 12 inches across the centerline.

Plus cutting the closed cut valley shingles can happen after the rest of the roof is shingled. The methods taught in these video s are just a few of many ways to do construction. To avoid this cancel and sign in to youtube on your computer. The self adhering section acts as the lining for the valley.

When finished the valley and its underlayment will be completely covered with asphalt shingles. I work out of the valley with full shingles placing the lower corner of the shingle at the point where it crosses the valley facing edge of the starter shingles. Use your best judgement of. Fasten the shingles about 6 inches away from the centerline on both sides.

Videos you watch may be added to the tv s watch history and influence tv recommendations. Generally the angle of the valley sets up a shingle joint offset of about 5 in.