Cut each side of the flashing at the lower end to conform with the corresponding edges of the roof using sheet metal.
How to replace a valley on a roof.
Stop nailing 6 inches from the center.
Never try and work on a roof from a ladder as a.
Shingle the other side of the valley the same way.
Start at the lower end of the valley.
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.
Begin by placing the replacement piece of flashing in the valley lining up the groove in the center with the middle of.
Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles.
Lay one and two tab shingles as you near the valley so full size shingles will run across the valley.
A scaffold tower has been used for access in this video.
I have my valley custom made with water trough to help with leaking b.
The top joinery of both valleys when they meet on the same plane of roof is shown here.
This video shows how to repoint a lead roof valley.
Here s how to install new flashing in your roof valleys.
Roof one side of the valley running the shingles across it.