Roof Valley Installation

Many roofers cut the shingles across because they say it s safer.

Roof valley installation.

Others start with a 3 inch wide. The valley is one of the most critical details on the roof because it collects a lot of water. A roof valley is formed where two sloping roof areas intersect to create an internal roof channel that drains run off water from higher roof sections. To secure the roof valley flashing nail it down carefully.

Some roofers cut the shingles parallel to the flashing s center ridge. Snipping off the corners of. Between the metal and the valley we re going to use tape seal to make sure that water can t lip itself underneath and roll back up underneath the valley. Place a piece of sheet metal under the shingles to make sure you will not damage the flashing.

Valley trim installation now bring in the valley panel that s already been cut. In this video i show you how i do the valleys on a shingle roof. You can see that the edge of the valley has been cut so that it s in line with the edge of the eave trim. Then starting at the base of the.

Only nail at the edges with only enough nails to. An improper installed valley can be the cause of serious leaks.