How To Shingle A Roof Valley With Architectural Shingles

Mark a chalk on subsequent roof layers upward.

How to shingle a roof valley with architectural shingles. Then starting at the base of the valley center your first piece of flashing in the valley. You want to lay the shingles from the bottom to the top of the valley. To secure the roof valley flashing nail it down carefully. Start by overlapping a starter from both sides of the valley at the bottom.

The next one goes on the low side. 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. 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.

When you get to the valley cut the shingles along the chalk line. In this video i show you how i do the valleys on a shingle roof. Laying shingles over the starter row and working up. Many roofers cut the shingles across because they say it s safer.

Apply the first real course of architectural shingles so that the tabs reach the lower edge of the starter course. A continuous bead of asphalt could trap condensation or windblown water under the roofing at some point. Attach each shingle with three nails one in the center and one each on each side. Then your first shingle goes on the side you are going to cut.

Apply a cover of starter architectural shingles. 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. Ensure ice and water protector has been installed along the valley first. No one of this affirmat.

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. Apply roofing cement to the underside of each cut shingle in the valley center. Weave and cut the valley on the highest side of the roof. For closed cut valleys shingles on one roof plane are installed through a valley and extended at least 30 cm into the intersecting plane.

You can cut the layered edge of architectural roof shingles and use the cut flat piece as your starter roof single. Only nail at the edges with only enough nails to hold it in place. How to shingle a valley with architectural shingles.