Roof Slate Thickness

Do you recommend this type of installation.

Roof slate thickness. Schedule of standard sizes slate size. 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. There are a wide variety of slate sizes although a common large size is 600 x 300 mm.

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. Slate roof tiles are also available in a range of thicknesses from 3 16 to 1 with the standard thickness being 3 8. Slates are a suitable covering for roofs in at a pitch of more than 20 degrees. Textural slate roofs the uses of slates of rougher surface textures and thicknesses mixed throughout a roof creates a textural slate roof.

Slate roofs are also relatively heavy. This class 4 hail rated slate weighs 1800 to 2200 lbs per square. Measuring 1 2 to 3 4 in thickness they bring a more robust texture to the roof as well as additional strength. Nominal 3 16 inch 5 mm to 1 4 inch 7 mm 2.

Estimated weight is 800 pounds per square. Nominal 1 4 inch 7 mm to 3 8 inch 10 mm 3. Slates at the eave could be 1 inch thick or more and the 3 16 inch thick at the top of the slope. When installed however the shingles overlap doubling the thickness.

The slate lays very unevenly on the purlins. Imitating slate shingles 12 x 24. Nominal 1 2 inch 13 mm to 3 4 inch 19 mm. The quality but also the weight is determined by the thickness.

However the initial cost of slate shingles can be higher than other types of roof covering as can repairs and maintenance. The most common thickness is and weighs approximately 935 pounds per square when installed with a 3 headlap. Standard asphalt shingles add very little thickness to the roof because a standard three tab shingle is about 3 16 inch thick. 3 16 to 1 4 historically known as commercial thickness but currently limited in production.

Standard roofing slate thicknesses and sizes standard roofing slate thicknesses and sizes. Nominal 3 8 inch 10 mm to 1 2 inch 13 mm 4.