How To Shingle A Roof Valley With Architectural Shingles

Apply the first real course of architectural shingles so that the tabs reach the lower edge of the starter course.

How to shingle a roof valley with architectural shingles.

How to shingle a valley with architectural shingles. After that correctly positionthe first shingle and properly snap a line of chalk across the roof to mark the top layer of the shingles. Mark a chalk on subsequent roof layers upward. Laying shingles over the starter row and working up.

No one of this affirmat. Then your first shingle goes on the side you are going to cut. You can cut the layered edge of architectural roof shingles and use the cut flat piece as your starter roof single. Attach each shingle with three nails one in the center and one each on each side.

Cut the last ridge shingle to the length you need but be sure that no part of the roof is exposed. When you get to the valley cut the shingles along the chalk line. To secure the roof valley flashing nail it down carefully. Then starting at the base of the valley center your first piece of flashing in the valley.

It is best placing metal flashing or a scrap piece of wood under the shingle you will be cutting as not to cut the shingle underneath. Start by overlapping a starter from both sides of the valley at the bottom. Do the same with the next shingle continuing this step until you get to the far edge of the ridge. Only nail at the edges with only enough nails to hold it in place.

Shingles from the other side are run through the valley center line and cut along a line parallel to and 4 cm from the center line. Ensure ice and water protector has been installed along the valley first. Weave and cut the valley on the highest side of the roof. A continuous bead of asphalt could trap condensation or windblown water under the roofing at some point.

Many roofers cut the shingles across because they say it s safer. For closed cut valleys shingles on one roof plane are installed through a valley and extended at least 30 cm into the intersecting plane. In this video i show you how i do the valleys on a shingle roof. You want to lay the shingles from the bottom to the top of the valley.

Apply a cover of starter architectural shingles. Apply roofing cement to the underside of each cut shingle in the valley center. The next one goes on the low side.