Slate Roof Weight Per Square

Based on a 3 headlap.

Slate roof weight per square.

These are the weights of typical actual products. 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.

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. Roof slate pieces per square can be calculated by using the formula. It typically takes 3 bundles of shingles to cover a square of roof. Slate sizes can start as small as 6 12 inches and be as large as 16 24.

Weight pounds per square. The weight of truss rafter must be added to calculate the dead load of the roof. Slate roofing sizes in inches and pieces per square with a 3 headlap. 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.

The weights of other actual products of the same type may vary. 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. Asphalt shingles 3 tab or strip 1 95 lbs. One square or sq of slate is equivalent to 100 square feet of roof area.

Slate thickness and weight chart. Weight of roofing materials. 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. Pounds per square foot lb ft 2 pounds per square 100 sq.

Also remember that older. 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. 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. 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.

Slate roofing sizes in inches and pieces per square with a 3 headlap. Slate roofing sizes. Slate roofing sizes. Ft kilograms per square meter kg m 2 source.