It is important to remember that a closed valley conceals the valley lining and allows the planes of the roof to blend together.
Open or closed valley roof youtu.
Despite their beauty there is.
This installation video reviews alternate closed cut valley and pipe and sidewall flashing application for certainteed s patriot asphalt shingle.
Roof valleys are like gutters with a steep pitch.
But the stakes are higher for valleys than they are for gutters in a previous video we covered how to flash.
There are 4 main kinds of valley installation methods to explore for your roof.
In this video we explore the california cut woven closed cut and open metal.
Open valleys on the other hand leave the metal exposed which may be more pleasing to the eye especially if copper is used as the valley lining.