How To Do A Valley On A Metal Roof

Roof valleys are like gutters with a steep pitch but the stakes are higher for valleys than they are for gutters.

How to do a valley on a metal roof.

Some homeowners do not like the look of open valleys while others feel the metal accentuates the roof s shape particularly if copper or painted flashing is used. An open valley relies on metal flashing for protection. Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel. The top joinery of both valleys when they meet on the same plane of roof is shown here.

Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant. That flashing is left exposed so the roof has visible lines of metal running down the valley. In a previous video we covered how to flash roof edges before shingling. First clean the debris out of the valley including sawdust nails and whatever else is in there.

In this video we ll flash the valley.