How many natural slates do you need per square metre.
Slate roof weight per square metre uk.
Across a full roof with a tiled area of 170m2 this could equate to a saving of 1 700 or more compared to home grown slate.
This calculator will estimate the following number of slates required per square metre.
The number of roof slates that are needed depends on the slate size and the lap in mm.
For example if you re using a 20 10 slate 500mmx250mm you will require 21 slate per m2.
Welsh roof slate prices vary massively across our selection of products as capital grade and county grade 5 5mm and 7 5mm thick respectively welsh roof slates come from penrhyn and cwt y bugail quarries in snowdonia national park.
These values are indicative and it is very important to confirm them with your supplier.
The amount of slates you need per square metre m2 depends on which slate size you re using.
Please enter the dimensions in the white fields below and click calculate to show the results.
Simply select the size of slate you need and enter the size of your roof in m2 into the box.
A 24 12 slate 600mmx300mm demands only 13 slate per m2.
600 300 24 12 13 slate per m2 500 250 20 10 21 slate per m2 450 250 18 10 23 slate per m2 400 250 16 10 27 slate per m2 we ve built a simple tool to calculate the amount of slate you need for your roof.
The values shown in the slate coverage chart above are calculated using nominal sizes and incorporate a 5mm jointing gap.
The table below gives you a few examples to help give you an idea.
137 kg sq m 1 28 tonnes per square.
Tile batten gauge for slate.
The weights of other actual products of the same type may vary.
This table shows the required number of slates per square metre for effective coverage.
Pounds per square foot lb ft 2 pounds per square 100 sq.
An example of slate roofing.
A square the traditional measure of roof area is 100 square feet.
The use of slate roofing is very popular across the uk both for its cost effectiveness and appealing aesthetic.
One advantage of going for a british or spanish product is that it will meet european standards bs en.
Decent quality examples come in at around 25 30 per m2 which is keen enough to compete with plain clay tiles.
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.
500 x 250mm slate 4 5mm thick 1 889 kg x 18 8 at 75mm lap 35 51kg per square metre.
Asphalt shingles 3 tab or strip 1 95 lbs.
As with any tile or slate this will be determined by the item purchased.
Welsh roof slate prices.
Widely known as some of the best most high quality roof slates in the world welsh roof slate prices justifiable run from around 2 per.
Ft kilograms per square meter kg m 2 source.
Holing gauge for holing slates.
Total linear run of tile batten in metres.
