Roof Slate Thickness

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.

Roof slate thickness.

Textural slate roofs the uses of slates of rougher surface textures and thicknesses mixed throughout a roof creates a textural slate roof. Slate roof tiles are also available in a range of thicknesses from 3 16 to 1 with the standard thickness being 3 8. The slate lays very unevenly on the purlins. 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. Estimated weight is 800 pounds per square. North country unfading black slate 3 16. Some quarries such as glendyne which produces our north country unfading black slate can be split consistently and sold 3 16 3 8 and.

Do you recommend this type of installation. Imitating slate shingles 12 x 24. Nominal 1 2 inch 13 mm to 3 4 inch 19 mm. While some quarries may split and sort to slightly different thickness groupings most roofing slate is grouped into the following thickness categories.

Schedule of standard sizes slate size. What thickness for copper shingles. Nominal 1 4 inch 7 mm to 3 8 inch 10 mm 3. Heavy grade slates exhibit strong stone surface texture and is visually discernible from synthetics.

Slates are a suitable covering for roofs in at a pitch of more than 20 degrees. This class 4 hail rated slate weighs 1800 to 2200 lbs per square. Slate roofs are also relatively heavy. Nominal 3 16 inch 5 mm to 1 4 inch 7 mm 2.

Slates at the eave could be 1 inch thick or more and the 3 16 inch thick at the top of the slope. Standard roofing slate thicknesses and sizes standard roofing slate thicknesses and sizes. However the initial cost of slate shingles can be higher than other types of roof covering as can repairs and maintenance. Measuring 1 2 to 3 4 in thickness they bring a more robust texture to the roof as well as additional strength.

The quality but also the weight is determined by the thickness. The most common thickness is and weighs approximately 935 pounds per square when installed with a 3 headlap.