How Do You Do A Valley With Metal Roofing

Best practices for sealing the metal roof valley vary based on the slope of the roof.

How do you do a valley with metal roofing.

With a clean valley you can lay down some peel and stick roofing membrane. Cut corners and apply cement dub cut the top layer shingles see step 4 in open metal valley above. The three methods to shingle a roof valley. Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant.

Install synthetic roofing. Woven valley shingle installation. Apply two beads of roofing cement to attach the top layer shingles to the bottom layer shingles. Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel.

Closed cut valleys also called closed valleys are installed. First clean the debris out of the valley including sawdust nails and whatever else is in there. To achieve a woven valley installation a roofing professional lays shingles in the valley and weaves them.