Slate Roof Weight Per Square

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 roof weight per square.

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. Pounds per square foot lb ft 2 pounds per square 100 sq. Slate roofing sizes in inches and pieces per square with a 3 headlap. Slate thickness and weight chart.

1 lb m ft 2 4 88 kg m 2. It typically takes 3 bundles of shingles to cover a square of roof. These are the weights of typical actual products. Slate roofing sizes.

Weight pounds per square. 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 sizes. 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. Ft kilograms per square meter kg m 2 source. The weights of other actual products of the same type may vary. Roof slate pieces per square can be calculated by using the formula.

Weight of roofing materials. The weight of truss rafter must be added to calculate the dead load of the roof. 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. 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.

One square or sq of slate is equivalent to 100 square feet of roof area. 500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg per square metre. Based on a 3 headlap. While you ll hear both terms bundle is more commonly used when purchasing shingles while square is associated with a completed roof or shingle removal.

3 16 820 lbs. Roof slate pieces per square can be calculated by using the formula. The exact weight per bundle or square of shingles depends on the manufacturer. Asphalt shingles 3 tab or strip 1 95 lbs.