Installing Roof Shingles In A Valley

All of the shingle rows will need to be lined up correctly.

Installing roof shingles in a valley.

A woven valley shingle installation is one where the shingles from both sides of the roof valley extend over the valley and weave together overlapping courses alternately. 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. How to shingle roof valleys. Some roofers cut the shingles parallel to the flashing s center ridge.

Nail the shingles 5 cm back. Snipping off the corners of. Start by laying all shingles on one side of the roofing and stretch it across the valley. Many roofers cut the shingles across because they say it s safer.

Ensure ice and water protector has been installed along the valley first. Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys. Snap two chalk lines from the ridge to the eaves 8 cm apart increasing in width by 1 cm per meter towards the eaves. 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.

In this video i show you how i do the valleys on a shingle roof. No one of this affirmat. Fasten the shingles about 6 inches away from the centerline on both sides. How to do it determine cuts.

Draw a 2 inch self stick flashing down the center. Quick guide how to install an open valley. When shingling a roof with three tab shingles it s easiest to shingle the roof planes first working toward the valley. Laminated shingles let you start in the valley and work outward which can be an advantage in some situations.

All valleys start the same. Place a piece of sheet metal under the shingles to make sure you will not damage the flashing. Only nail at the edges with only enough nails to. Trim the shingles to these lines and cut a 5 cm triangle off the top corner to direct the water into the valley.

Valleys are a prime leak area so it s important to be careful. The open woven and closed cut methods are demonstrated. Stretch it about 12 inches across the centerline. Pros of woven valley shingle installations.

Then starting at the base of the.