How To Flash A Metal Roof Valley

Two ways to flash roof edges protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing.

How to flash a metal roof valley.

Fold the top of the flashing over the ridge. Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant. Use 1 inch galvanized roofing nails. Attach the flashing panel in place at the bottom.

One common method is to lay the edge metal under the eaves membrane and over the rake details concrete masonry roofing wrb flashing. Stop nailing 6 inches from the center. Best practices for sealing the metal roof valley vary based on the slope of the roof. Masterrib is a 36 wide 5 r.

Lay the flashing down in the roof valley and start at the lower end of the roof. The installer fabricates simple clips or valley flashing cleats whose bent edge interlocks with the folded over or hemmed edges of the metal roof valley flashing to secure the valley to the roof deck. Roof one side of the valley running the shingles across it. Make sure to cover the gap at the bottom of the raised ridge.

How to seal metal roof valley. Since this was an introductory guide to the basics of standing seam metal roof installations we purposefully left out more technical details such as z bar flashing end wall and valley flashing details however they are covered in the video above if you like to learn more about the components that go beyond the basics. Make sure that the end of the flashing panel is perfectly in line with the edge of the roof. Use roof valley cleats at intervals of 24 o c.

Shingle the other side of the valley the same way. No sales pitch or other fluff. Cut the bottom edge and fold it down over the drip edge. Using clips permits movement in the valley as temperatures change.

Just simple 3d animated digital instructions on how to install a valley on a masterrib panel roof. Lay one and two tab shingles as you near the valley so full size shingles will run across the valley.