Weight of roofing materials.
Slate roof weight per square.
Slate roofing sizes in inches and pieces per square with a 3 headlap.
Slate sizes can start as small as 6 12 inches and be as large as 16 24.
Slate roofing sizes in inches and pieces per square with a 3 headlap.
The exact weight per bundle or square of shingles depends on the manufacturer.
These are the weights of typical actual products.
Asphalt shingles 3 tab or strip 1 95 lbs.
Slate roofing sizes.
It typically takes 3 bundles of shingles to cover a square of roof.
Also remember that older.
3 16 820 lbs.
1 lb m ft 2 4 88 kg m 2.
One square or sq of slate is equivalent to 100 square feet of roof area.
The weights of other actual products of the same type may vary.
Ft kilograms per square meter kg m 2 source.
Roof slate pieces per square can be calculated by using the formula.
One of the drawbacks of slate for some homeowners is the heavy weight of slate roofing tiles which can be between 800 1 500 pounds per square 100 square feet.
Roof slate pieces per square can be calculated by using the formula.
500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg per square metre.
Weight pounds per square.
Based on a 3 headlap.
One square or sq of slate is equivalent to 100 square feet of roof area.
Consequently not all homes have the structural support necessary to take the weight of a slate roof and often additional reinforcement needs to be installed.
Slate roofing sizes.
Slate thickness and weight chart.
The weight of truss rafter must be added to calculate the dead load of the roof.
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.
Pounds per square foot lb ft 2 pounds per square 100 sq.
Davinci slate single width slate widths 12 length 18 thickness at butt 1 2 thickness at tip 1 8 field shingles per roofing square coursing roof pitch max.