Slate Roof Installation Specifications

Wood cants for installing underneath the starter course of slate shingles shall be minimum 1 4 inch by 1 inch plaster lath or other solid glue free wood.

Slate roof installation specifications.

Eaves low slope areas all slope changes or tie ins and protrusions through the roof. Select either open or closed valleys. A6x10 slate roof will require the nailing of 686 slates to cover one hundred square feet. 3 02 slate installation 1.

If your roof is steep with a pitch of. Even more important is the overlap at the top of each slate called headlap. A 14x24 slate roof will only require the nailing of 98 slates. Custom slate hooks may be fabricated by the contractor for use with slates up to 1 2 in thickness.

Slates shall be installed by skilled and experienced roofers who will fit and fasten each slate. 40 asphalt saturated and coated felt with standard size slate as long as the slate is laid with a 4 inch 100 mm minimum head lap. Slates should overlap by at least three inches on the sides called sidelap. All ridges shall be laid to form saddled ridges.

Nails of the combing slate shall pass through the joints of the slates beneath. 26 asphalt saturated felt or one layer of no. For roof slopes less than 8 inches per foot 67 percent down to 4 inches per foot 33 percent install a minimum of two layers of no.