Asphalt shingles 3 tab or strip 1 95 lbs.
Slate roof weight per square.
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.
Ft kilograms per square meter kg m 2 source.
Weight will very with thickness of the slate.
3 16 820 lbs.
On average slate measured at approximately 1 4 inch thick weighs between 700 and 800 pounds per square.
Average weight for one square of 1 4 thick roofing slate is 800lbs.
Exposure pieces bundle bundles square weight square nails required straight 6 12 or greater 8 22 6 6 275 lbs 291 sq straight 6 12 or greater 7 5 22 7 1 294 lbs 313 sq.
Weight pounds per square.
Slate thickness and weight chart.
Weight per slate in kilogrammes.
Pounds per square foot lb ft 2 pounds per square 100 sq.
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.
The weights of other actual products of the same type may vary.
Weight of roofing materials.
500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg per square metre.