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.

Cut the last ridge shingle to the length you need but be sure that no part of the roof is exposed. You can cut the layered edge of architectural roof shingles and use the cut flat piece as your starter roof single. To secure the roof valley flashing nail it down carefully. How to shingle a valley with architectural shingles.

Attach each shingle with three nails one in the center and one each on each side. Apply roofing cement to the underside of each cut shingle in the valley center. You want to lay the shingles from the bottom to the top of the valley. Nail the shingles with no tabs such as precut pro start shingles and apply asphalt cement from a caulk gun in many dots along the drip edge under the edge then press the tab less shingles down onto the line of asphalt cement dots with adequate spaces between the dots.

Then starting at the base of the valley center your first piece of flashing in the valley. Mark a chalk on subsequent roof layers upward. 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. Only nail at the edges with only enough nails to hold it in place.

Once you ve reached the ridge bend the shingle over the ridge so that each side is equal and nail it into place with a single nail on each side. 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. Weave and cut the valley on the highest side of the roof. Roof installation how to shingle a valley hd by roofrepair101 more about roofing at.

After that correctly positionthe first shingle and properly snap a line of chalk across the roof to mark the top layer of the shingles. Start by overlapping a starter from both sides of the valley at the bottom. Then your first shingle goes on the side you are going to cut. Apply a cover of starter architectural shingles.

For closed cut valleys shingles on one roof plane are installed through a valley and extended at least 30 cm into the intersecting plane. Many roofers cut the shingles across because they say it s safer. When you get to the valley cut the shingles along the chalk line. A continuous bead of asphalt could trap condensation or windblown water under the roofing at some point.

Laying shingles over the starter row and working up. In this video i show you how i do the valleys on a shingle roof. Ensure ice and water protector has been installed along the valley first.