How To Valley A Roof

To get started i need to know only two things.

How to valley a roof.

Your choice of valley installation method is critical because when improperly installed valleys are risks for serious leaks. I then move the shingle to the uppermost course on the roof plane line up the mark on the shingle with the valley center and again mark the corner. Valleys are a prime leak area so it s important to be careful. Roof installation how to shingle a valley hd by roofrepair101 more about roofing at.

If the ice and water shield is missing then you will have to remove the shingles on both sides along the valley put ice and water shield in place and re shingle the roof. The first is the pitch of the roof. To understand the concept and how all the pieces are laid out and cut i picture the roof two dimensionally in plan view. To shingle out of the valley with laminated shingles lay a shingle down as a gauge and mark the corner at the bottom left and top right of the roof.

Then i use a construction calculator to find the correct length of each rafter. Stop nailing 6 inches from the center. This roof valley is a perfect example. Roof one side of the valley running the shingles across it.

Shingle the other side of the valley the same way. Soup to nuts riley shows the proper way of installing a valley on a roof. Essentially there are three main ways to shingle a roof valley. Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys.

Lay one and two tab shingles as you near the valley so full size shingles will run across the valley. Woven closed cut and open. A roof valley is formed where two roof slopes meet. A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water.

Soup to nuts riley shows the proper way of installing a valley on a roof.