This can pose a problem for homes that need a new roof as typically they were not built to withstand this amount of weight.
Natural slate roof tiles weight.
Very few homes are built to withstand such weight.
Ssq design and fixing guide nail fixing.
Slate roofing tiles are incredibly heavy weighing anywhere from 800 to 1 500 pounds per square 100 ft2.
Life expectancy cost comparison for five roofing products concrete tiles clay tiles fibre cement slates synthetic slates life expectancy in years per unit cost of roofing 0 20 40 60 80 100 66 years 49 years 41 years 37 years 100 years roofing product concrete tiles clay tiles fibre cement slates synthetic slates weight kg m2 51 0 63 0 21 4 24 7.
As mentioned natural slate tiles are extremely dense.
The redland cambrian grey slate is a good example of man made slate as it is composed of 60 of natural slate the slate also comes with interlocking ability.
Slate roofing 3 8 inch slates.
Weight of slates kg area of roof m2 slate coverage 1000 therefore the total weight 1235 1000 150 23 9.
Slate roofs national slate association 1926.
The total weightof slates on roof can be found from the formula.
While it s a more costly option due to the processes and materials that go into its manufacturing this versatile slate can be used on pitched roofs at 15.
Slate roofing 3 4 inch.
Clay tile 10 8 lb m ft 2 52 7 kg.
Slate roofs national slate association 1926.
500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg per square metre.
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Slate roofs national slate association 1926.
How much does slate weigh.
That s a great question especially when you are comparing it against other roofing products.
Back in 1926 the commercial standard slate thickness was 3 16.
Concrete tile 9 3 lb m ft 2 45 4 kg m 2 slate 1 4 to 3 16 thick 9 1 lb m ft 2 44 4 kg m 2 slate 3 8 thick 12 8 lb m ft 2 62 5 kg m 2 slate 1 2 thick 18 8 lb m ft 2 91 8 kg m 2.
The weight of roofing constructions above the truss rafter may be estimated with the calculator below.
Slate roofing 1 2 inch slates.
Typically 1 4 3 8 thick natural slate roof weight about 1050 1200 lbs per square or 51 58 kg m 2.
Clay tile is heavy weight roofing material and each square of tile roof weigh 900 1100 pounds 408 499 kilograms.
To calculate the weight per square metre simply multiply the weight per slate given below by the number of slates per square metre for the same slate listed above.
Slate roofing 1 4 inch slates.
