How To Do Valley On Metal Roof

Cut each side of the flashing at the lower end to conform with the corresponding edges of the roof using sheet metal cutters.

How to do valley on metal roof.

The top joinery of both valleys when they meet on the same plane of roof is shown here. Cut each side at the upper end of the valley to conform with the. First clean the debris out of the valley including sawdust nails and whatever else is in there. Lay the flashing down in the roof valley and start at the lower end of the roof.

Attach the flashing panel in place at the bottom. Use tape sealant between the valley trim and the panel. In roofing a valley is also a low spot that is created when two slopes of a roof meet. Best practices for sealing the metal roof valley vary based on the slope of the roof.

Cut corners and apply cement dub cut the top layer shingles see step 4 in open metal valley above. Apply two beads of roofing cement to attach the top layer shingles to the bottom layer shingles. Use 1 inch galvanized roofing nails. Drip edge metal valley flashing dormer chimney and kick out flashing shed water away from the connections between roofs walls chimneys and other building assemblies this collection of 18 articles animations and videos identifies the critical roof flashing areas illustrates durable roof flashing details and shows how to flash roofs.

Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant. Install synthetic roofing. I have my valley custom made with water trough to help with leaking b. How to seal metal roof valley.

Make sure that the end of the flashing panel is perfectly in line with the edge of the roof. Also apply cement to attach the top layer shingles to each other see steps 5 and 6 in open metal valley above. With a clean valley you can lay down some peel and stick roofing membrane.