Set out nominal batten spacing.
Roof tile pitch guide.
More horizontal and vertical lines may be snapped to ensure the roof slates will stay true and plumb throughout installation.
After you have determined the distance between the first two battens measure the distance and set battens using that.
It is uncommon to find a roof below 15 but for those very low pitch applications there are interlocking clay pantiles available suitable for use down to 12 5.
In essence a roof pitch chart is provided as a rough guide usually by a roofing company to help you see what the average roof pitches tend to be.
In this respect plain roof tiles provide great flexibility as they can be used to suit almost any angle usually above 35.
For example if you used a 24 inch level and your measurement was 12 inches the pitch in your roof is 6 in 12.
Traditionally a minimum roof pitch of 20 was recommended in bs 5534 but modern tiles and slates have now been designed for applications as low as 15.
I the minimum pitch of the tiled roof.
Iv the minimum headlap.
Applies to buildings with a roof slope of up to 45 degrees 12 12 roof pitch and buildings with a mean height of up to 30 ft.
A minimum of a 3 inch overlap is required for the tiles.
Mass nominal mass per tile.
Usually they come in the form of a roof pitch diagram chart but other times it will be presented to you in a conversion format.
Divide the results by the number of 12 inch segments in your level.
You can also estimate a roof pitch by eyeballing it from the ground from the gable side with a level and ruler.
The style of a roof tile will not dictate the pitch it can be used for as this will depend on the actual design.
3 2kg mass per sq m.
Anything lower than this angle is rare and although there are specific products that can go lower 15 is the most common minimum angle for clay tiles.
V an appropriate tile installing system.
Use two tiles to determine the spacing required for the battens.
295mm on 38mm x 38mm battens.
Roof type roofing systems will function in different ways which is why they require attachments that are built to integrate with them.
Minimum roof pitch18 with sarking and 20 without sarking.
For many years 20 was recommended as the minimum pitch for clay tiles but this has decreased in the modern era down to 15.
Begin by placing an eaves slate on the right and left side of the vertical line maintaining a 0 25 6mm or 0 5 13mm spacing depending on slate type used and continue to both ends.
Ii the need for sarking.
Monier has developed this guide to provide the designer or the main contractor with specific advice as it relates.
At the time of estimation the following information is to be.
