Installing Roof Shingles In A Valley

Place a piece of sheet metal under the shingles to make sure you will not damage the flashing.

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. In this video i show you how i do the valleys on a shingle roof. When shingling a roof with three tab shingles it s easiest to shingle the roof planes first working toward the valley. Draw a 2 inch self stick flashing down the center.

Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys. Ensure ice and water protector has been installed along the valley first. Start by laying all shingles on one side of the roofing and stretch it across the valley. How to shingle roof valleys.

Nail the shingles 5 cm back. Snap two chalk lines from the ridge to the eaves 8 cm apart increasing in width by 1 cm per meter towards the eaves. Some roofers cut the shingles parallel to the flashing s center ridge. Stretch it about 12 inches across the centerline.

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. Laminated shingles let you start in the valley and work outward which can be an advantage in some situations. All of the shingle rows will need to be lined up correctly. All valleys start the same.

How to do it determine cuts. 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. Quick guide how to install an open valley. Snipping off the corners of.

To secure the roof valley flashing nail it down carefully. Fasten the shingles about 6 inches away from the centerline on both sides. Many roofers cut the shingles across because they say it s safer. Pros of woven valley shingle installations.

Valleys are a prime leak area so it s important to be careful. Then starting at the base of the. Trim the shingles to these lines and cut a 5 cm triangle off the top corner to direct the water into the valley. The open woven and closed cut methods are demonstrated.

Only nail at the edges with only enough nails to.