How To Start A Closed Roof Valley

I begin the second side the side that will be cut by snapping a cutline 2 in.

How to start a closed roof valley. 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. 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. Fasten the shingles about 6 inches away from the centerline on both sides.

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

Start by laying all shingles on one side of the roofing and stretch it across the valley. Draw a 2 inch self stick flashing down the center. Use your best judgement of. Roof installation how to shingle a valley hd by roofrepair101 more about roofing at.

From the valley center. This channel is for educational purposes only. 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. To 5 1 2 in which is more than the minimum offset required by shingle manufacturers.

The self adhering section acts as the lining for the valley. 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.