In snowy areas your roof should be at least 10 12 40 to allow snow to shed while the safest roof pitch in very windy areas is between 4 12 6 12 18 5 26 5.
Roof tiles 22 5 degree pitch.
Forticrete centurion low pitch roof tiles are also able to tile a roof down to a 10 pitch.
Where the minimum pitch for clay pantiles used to be 30 tiles like the redland cathedral pantile can be pitched as low as 22 5.
For a gothic style the rafters must equal the span 60 while an elizabethan style requires the rafters to be longer than the span.
Enter any pitch or fraction of pitch to find angle.
The interlocking technology used on the koramic 401 flemish pantile allows it to go a fraction lower at 22.
Cedar shingles and shakes.
All tiles have a minimum roof pitch which is always stated in the manufacturers technical information.
We upgraded to 26 degree as we prefer the look over the 22 5 and also cause we are getting solar panels our provider told us between 26 30 degree is best.
Down to 22 5 pitch at a 75mm headlap.
Other than the 45 roof slope which is 12 in 12 none of the standard roof pitches 5 in 12 6 in 12 etc are equal to a whole degree.
These shallow pitch roof tiles are extremely easy to fit requiring a tile clip over the underlock and an aluminium nail into roof batten for any pitches below 22 5.
45 this is our pitch calculator which will convert pitch to angle or angle to pitch for half degree roof slope calculations.
Other clay roof tiles suitable for low pitch roofs include.
The following table shows the roof pitch rise in run equivalents for all roof slopes in degrees from 1 to 72.
Other low pitch roof tile options.
Roof pitch angle roof pitch multiplier 1 12 4 76 1 0035 2 12 9 46 1 0138 3 12 14 04 1 0308 4 12 18 43 1 0541 5 12 22 62 1 0833 6 12 26 57 1 1180.
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.
Maxima double roman clay interlocking tiles these are suitable for a minimum pitch of 17 5 degrees with a minimum headlap of 75mm.
For this you can take help from roof pitch factor chart.
This minimum pitch is important if tiles are laid below the recommended minimum pitch there is an increased chance of water getting through which can damage the underlay and battens over a prolonged period.
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.
In 5 colours they re extremely durable and will perform reliably even in the most extreme weather conditions.
Enter any angle or fraction of angle to find pitch.