Slate Roof Dimensions

Nominal 3 8 inch 10 mm to 1 2 inch 13 mm 4.

Slate roof dimensions.

The standard sizes for roofing slate start at 12 in length and increase by 2 inch increments up to 24 in length. Resistant to fading rotting cracking and pests. Although ceramic tile roofs are expensive they can have a life span of over 100 years. Slate roofs are generally sloped at not less than 6 in 12.

The quality but also the weight is determined by the thickness. Standard roofing slate thicknesses and sizes 1. Slate roof tiles can range in size from 12 length x 6 wide up to 24 length x 12 wide. 550 lb sq or less.

Standard roofs are laid in uniformly spaced horizontal courses with alternating vertical joints carefully aligned. Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run. 10 254 mm material. Nominal 3 16 inch 5 mm to 1 4 inch 7 mm 2.

Read more how much does a slate roof cost. Available in 12 10 9 7 and 6 widths. Obviously there will be more courses per foot near the ridge than near the eaves. Can be installed at 6 7 7 1 2 and 8 exposure.

Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years. 10 254 mm material. Special sizes such as slate and a half can be ordered to reach into valleys gable ends hips and dormers. 12 x 12 305 mm x 305 mm standard.

Nominal 1 4 inch 7 mm to 3 8 inch 10 mm 3. It is often compared to slope but is not exactly the same. If driven snow is to be expected in the area an even greater slope of 8 in 12 is recommended. Nominal 1 2 inch 13 mm to 3 4 inch 19 mm.

Lifetime limited material warranty. Slate roof tiles are rectangle in shape but can be trimmed into special shapes such as clipped corners diamond fish scale and hexagon. Slate shall project 2 inches at eaves and 1 inch at gable ends and shall be laid in horizontal courses with 3 inch headlaps and each course shall break vertical joints with a minimum of 3 inch sidelap. Lay the top fifth with 16 inch long slates the second fifth with 22 inch long slates and so on.

Standard uniform slate roofs standard slate roof systems are comprised of 1 4 3 8 slate of one standard length and width and with square cut butts. Starter or undereave slates and slates at the ridge shall be canted 1 4 inch by a wooden cant strip which shall be provided by the roofer. 550 lb sq or less.