With a clean valley you can lay down some peel and stick roofing membrane.
Installing metal roofing in valleys.
Although when valley fixing you will always require a side lap fastener in all laps at each support.
We re going to install the offset cleat the length of the valley and have it set back 4 inches so that we keep our reveal so that ice snow and water can flow off the panel hit the flat of the valley pan and exit the roof.
Installing metal flashing for your roof project is a challenging but essential step to take to ensure that the new roof remains as weatherproof and as strong as possible the following steps will explain how to install metal flashing in roof valleys.
The amount you leave here really depends on the geography and type of weather.
Flashing should be installed in all of the valleys.
If you have any problems with roofing installation or need help with the technical aspects of laying your metal roofing.