How To Seal A Metal Roof Valley

With a clean valley you can lay down some peel and stick roofing membrane.

How to seal a metal roof valley. Sealing metal roof valleys watertight fix valleys where two rooflines meet are typical problem areas on metal roofs. Fold the top over the roof ridge and cut the bottom along the drip edge metal. Place the new piece of sheet metal valley flashing in the valley with the raised center aligned with the center of the valley from top to bottom. I have my valley custom made with water trough to help with leaking b.

Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant. How to seal metal roof valley. Check that the roofing material is cut in a straight smooth line on each side. Using 3 layers of thermal tec s mr multi ply roof system where most of the movement occurs will provide a watertight seal in these areas.

Open valleys have the flashing exposed and the shingles end at the flashing edges. Metal flashing allow water to flow down the valley. The top joinery of both valleys when they meet on the same plane of roof is shown here. Nail each shingle and cover the head with roofing cement.

Install synthetic roofing. Metal to metal connections are difficult to keep watertight long term. Use tape sealant between the valley trim and the panel. Best practices for sealing the metal roof valley vary based on the slope of the roof.

To seal make sure there is no debris in the valley. This method of lead valley repair is proven to not only be fast and safe wit.