Some quarries such as glendyne which produces our north country unfading black slate can be split consistently and sold 3 16 3 8 and.
Roof slate thickness.
Slate roof tiles are also available in a range of thicknesses from 3 16 to 1 with the standard thickness being 3 8.
Slate roofs are also relatively heavy.
However the initial cost of slate shingles can be higher than other types of roof covering as can repairs and maintenance.
While some quarries may split and sort to slightly different thickness groupings most roofing slate is grouped into the following thickness categories.
Nominal 3 8 inch 10 mm to 1 2 inch 13 mm 4.
Slates at the eave could be 1 inch thick or more and the 3 16 inch thick at the top of the slope.
Nominal 1 2 inch 13 mm to 3 4 inch 19 mm.
Nominal 3 16 inch 5 mm to 1 4 inch 7 mm 2.
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.
When installed however the shingles overlap doubling the thickness.
Do you recommend this type of installation.
Slates are a suitable covering for roofs in at a pitch of more than 20 degrees.
North country unfading black slate 3 16.
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.
Heavy grade slates exhibit strong stone surface texture and is visually discernible from synthetics.
Measuring 1 2 to 3 4 in thickness they bring a more robust texture to the roof as well as additional strength.
The slate lays very unevenly on the purlins.
What thickness for copper shingles.
The most common thickness is and weighs approximately 935 pounds per square when installed with a 3 headlap.
Standard roofing slate thicknesses and sizes standard roofing slate thicknesses and sizes.
Nominal 1 4 inch 7 mm to 3 8 inch 10 mm 3.
Imitating slate shingles 12 x 24.
This class 4 hail rated slate weighs 1800 to 2200 lbs per square.
The quality but also the weight is determined by the thickness.
Estimated weight is 800 pounds per square.