Roof Slate Thickness

The quality but also the weight is determined by the thickness.

Roof slate thickness.

When installed however the shingles overlap doubling the thickness. Standard asphalt shingles add very little thickness to the roof because a standard three tab shingle is about 3 16 inch thick. North country unfading black slate 3 16. There are a wide variety of slate sizes although a common large size is 600 x 300 mm.

Slate roofs are also relatively heavy. Measuring 1 2 to 3 4 in thickness they bring a more robust texture to the roof as well as additional strength. We have a 30 square roof on a 275 year old home with sagging but strong rafters and want to remove the slate weight and re roof. Slates at the eave could be 1 inch thick or more and the 3 16 inch thick at the top of the slope.

Nominal 3 8 inch 10 mm to 1 2 inch 13 mm 4. 3 16 to 1 4 historically known as commercial thickness but currently limited in production. Nominal 3 16 inch 5 mm to 1 4 inch 7 mm 2. The slate lays very unevenly on the purlins.

This class 4 hail rated slate weighs 1800 to 2200 lbs per square. Schedule of standard sizes slate size. While some quarries may split and sort to slightly different thickness groupings most roofing slate is grouped into the following thickness categories. Heavy grade slates exhibit strong stone surface texture and is visually discernible from synthetics.

The most common thickness is and weighs approximately 935 pounds per square when installed with a 3 headlap. Slates are a suitable covering for roofs in at a pitch of more than 20 degrees. What thickness for copper shingles. Slate roof tiles are also available in a range of thicknesses from 3 16 to 1 with the standard thickness being 3 8.

Estimated weight is 800 pounds per square. Imitating slate shingles 12 x 24. Nominal 1 4 inch 7 mm to 3 8 inch 10 mm 3. Some quarries such as glendyne which produces our north country unfading black slate can be split consistently and sold 3 16 3 8 and.

Standard roofing slate thicknesses and sizes standard roofing slate thicknesses and sizes. Do you recommend this type of installation.