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.

How to shingle a roof valley with architectural shingles. Nail the shingles 5 cm back from the chalk line. Only nail at the edges with only enough nails to hold it in place. Apply a cover of starter architectural shingles. Instructional video on how to install a closed roof valley as part of installing tamko building products heritage series of laminated asphalt shingles.

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. To secure the roof valley flashing nail it down carefully. Apply the first real course of architectural shingles so that the tabs reach the lower edge of the starter course. 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. Snap two chalk lines from the ridge to the eaves 8 cm apart increasing in width by 1 cm per meter towards the eaves. Ensure ice and water protector has been installed along the valley first.

Trim the shingles to these lines and cut a 5 cm triangle off the top corner to direct the water into the valley.