This table shows the required number of slates per square metre for effective coverage.
Natural slate roof tiles per m2.
Siga 114 natural slate.
From your chosen size of slate and headlap calculated using our headlap tables use this coverage table to calculate how many slates per m 2 your roof will require.
20 10 500mmx250mm 21 slate per m2.
In both british standard 5534 and bs 8000 part 6 will ensure they have the right level of experience to install a natural slate roof.
Slate size roof pitch and exposure 65 mm.
The values shown in the slate coverage chart above are calculated using nominal sizes and incorporate a 5mm jointing gap.
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.
The slate coverage per m2 can be found from table 2 23 9.
These roof tiles are attractively designed and they come in a range of colours and sizes to suit all design needs and aesthetics.
A factor which can vastly change the price of a new roof or improvements to an existing roof is the number of tiles used.
Slate can only be installed onto a pitched roof at the minimal level recommended above and depending on the complexity of the structure can take anywhere from one.
Browse our range of premium quality natural roof slates from leading brands such as independent slate supplies.
Simply select the size of slate you need and enter the size of your roof in m2 into the box.
The total weight of slates on roof can be found from the formula.
Weight of slates kg area of roof m 2 slate coverage 1000 therefore the total weight 1235 1000 150 23 9 4427 kg.
The most popular slate size in southern england is 500 x 250mm and 400 x 250mm in the north of england and scotland.
Natural black slate roof tile on shingle find complete details about natural black slate roof tile on shingle black roof slate black slate roof on shingle slate roof shingle from roof tiles supplier or manufacturer xiamen sun rising industry co ltd.
Our slate calculator will do the rest remember when checking out to add 10 more onto the total in order to cover wastage.
The number of roof slates that are needed depends on the slate size and the lap in mm.
20 tiles per m.
Decent quality examples come in at around 25 30 per m2 which is keen enough to compete with plain clay tiles.
Find all the tools and materials you need to produce a high quality and professional finish.
If you know the surface area of your roof you can use our simple roof slate calculator to give you the exact amount of slates you require to complete the job.
Before starting work it s important to know the dimensions of the roof and the type of tile you will be using.