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.
Roof tile pitch guide.
In this respect plain roof tiles provide great flexibility as they can be used to suit almost any angle usually above 35.
Use two tiles to determine the spacing required for the battens.
The style of a roof tile will not dictate the pitch it can be used for as this will depend on the actual design.
Minimum roof pitch18 with sarking and 20 without sarking.
Roof type roofing systems will function in different ways which is why they require attachments that are built to integrate with them.
At the time of estimation the following information is to be.
A minimum of a 3 inch overlap is required for the tiles.
Set out nominal batten spacing.
Mass nominal mass per tile.
355mm it is good tiling practice to check the gauge of all kiln fired clay roof tiles at the site.
3 2kg mass per sq m.
Ii the need for sarking.
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.
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.
Iv the minimum headlap.
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.
295mm on 38mm x 38mm battens.
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.
Composition shingle and tile are most commonly used on residential roofs.
For example if you used a 24 inch level and your measurement was 12 inches the pitch in your roof is 6 in 12.
Monier has developed this guide to provide the designer or the main contractor with specific advice as it relates.
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.
After you have determined the distance between the first two battens measure the distance and set battens using that.
I the minimum pitch of the tiled roof.
More horizontal and vertical lines may be snapped to ensure the roof slates will stay true and plumb throughout installation.
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.
You can also estimate a roof pitch by eyeballing it from the ground from the gable side with a level and ruler.
Iii the maximum rafter length.
