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.
Slate roof weight per square.
Based on a 3 headlap.
The weights of other actual products of the same type may vary.
These are the weights of typical actual products.
Ft kilograms per square meter kg m 2 source.
Per square smaller roofing slates actually weigh more than larger slates and come in at around 800lbs square while larger slates 12 24 weigh about 700lbs square.
Slate thickness and weight chart.
Weight per slate in kilogrammes.
Pounds per square foot lb ft 2 pounds per square 100 sq.
3 16 820 lbs.
500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg per square metre.
Weight of roofing materials.
Weight will very with thickness of the slate.
Average weight for one square of 1 4 thick roofing slate is 800lbs.
On average slate measured at approximately 1 4 inch thick weighs between 700 and 800 pounds per square.
Weight pounds per square.