How To Do A Cut Roof Valley

With a closed cut valley there s no need to shingle the two roof planes at the same time.

How to do a cut roof valley.

I begin the second side the side that will be cut by snapping a cutline 2 in. Others start with a 3 inch wide. 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. Only nail at the edges with only enough nails to.

Ensure ice and water protector has been installed along the valley first. 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. How to do it determine cuts. Plus cutting the closed cut valley shingles can happen after the rest of the roof is shingled.

To secure the roof valley flashing nail it down carefully. From the valley center. Then lay the shingles on the other side of the roof and again stretch them across the valley a little. No need for precise measurement.

Steep slope roofs slope greater than 3 12 cut the panels at an angle for the valley then bend the hem end of the panel and hook it with a cleat. This layering will help direct the water into the valley and down the roof preventing leaks. Draw a 2 inch self stick flashing down the center. You have to cut the shingles back to 1 inch from the centerline.

Snipping off the corners of. Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant. Place a piece of sheet metal under the shingles to make sure you will not damage the flashing. 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.