Total linear run of tile batten in metres.
Slate roof weight per square metre.
Roofing slate created by nature over 500 million years ago has been used as a roof covering for more than a thousand years.
That s a great question especially when you are comparing it against other roofing products.
Tiles per square metre.
The weight of truss rafter must be added to calculate the dead load of the roof.
A 24 12 slate 600mmx300mm demands only 13 slate per m2.
This table shows the required number of slates per square metre for effective coverage.
Asphalt shingles 3 tab or strip 1 95 lbs.
If the roof pitch is 35 the roof span is 6 5m wide and the roof length is 12 6m using the reference guide graphic above the calculation for the slope would look like this.
25 tiles per m.
Siga 35 natural slate.
20 tiles per m.
Siga 56v natural slate.
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.
This calculator will estimate the following number of slates required per square metre.
The values shown in the slate coverage chart above are calculated using nominal sizes and incorporate a 5mm jointing gap.
Siga 114 natural slate.
Back in 1926 the commercial standard slate thickness was 3 16.
20 tiles per m.
These are the weights of typical actual products.
Roof span 2 x roof pitch constant for rafter rafter length.
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.
Ft kilograms per square meter kg m 2 source.
500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg per square metre.
The amount of slates you need per square metre m2 depends on which slate size you re using.
Weight of roofing materials.
Here is an example of how the roofing measurement process works on a basic duo pitched roof.
Pounds per square foot lb ft 2 pounds per square 100 sq.
500 x 250mm 500 x 375mm.
400 x 250mm 400 x 375mm.
How much does slate weigh.
Slate sizes can start as small as 6 12 inches and be as large as 16 24.
Holing gauge for holing slates.
The number of roof slates that are needed depends on the slate size and the lap in mm.
1 lb m ft 2 4 88 kg m 2.
Please enter the dimensions in the white fields below and click calculate to show the results.