How To Sheet A Roof Valley

First clean the debris out of the valley including sawdust nails and whatever else is in there.

How to sheet a roof valley.

Shingle the other side of the valley the same way. The three methods to shingle a roof valley. Lay one and two tab shingles as you near the valley so full size shingles will run across the valley. The reason why the roof valley is such a sensitive area has to do with all the rainwater and or melting snow that accumulates and flows through the valley on its way into the gutters.

A roof valley is very prone to leaks especially if you have an older roof. This recommendation includes iko s premium shingles. Iko recommends that you install architectural shingles with the open valley method for the best roof performance. Roof one side of the valley running the shingles across it.

And either an organic or modified underlayment depending on whether tiles or shingles are being installed. In a previous video we covered how to flash roof edges before shingling. When deciding how to shingle a roof valley you will need to consider your materials the climate and the desired look of the roof. Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles.

Roof valleys are like gutters with a steep pitch but the stakes are higher for valleys than they are for gutters. I ve got this 7 12 roof to work with and going into the valley i measured the long and short points. It s been an awfully long time since i ve been on a roof nevermind framing one and i m looking to improve a little in how i approach cutting sheathing. In this video we ll flash the valley.

This video is about how to install peel n stick in valley.