Modern tiles permit shallow pitch but some of the older traditional coverings such as hand made clay tiles require quite steep slopes to ensure rain does not penetrate the roof covering.
Shallowest pitch for tiled roof.
A low pitched roof is easier to put up and maintain but may show very little of its material at ground level.
There are even some that will go down to 10 providing certain very specific conditions are met.
Roofs at the lower end of the range about 4 12 to 6 12 are relatively easy to walk and work on.
For example a roof that rises 3 inches for every 12 inches has a pitch of 3 12.
The most common slopes are.
Low sloped roof shingle installation if 4 12 and above is normal and 2 12 is minimum what about properties with roofs in between the two such as a 3 12 pitched roof.
Clay or cement tiles can be used on a wide range of roof pitches.
3 12 1 2 12 and 1 4 12.
To calculate roof pitch take the lowest point of the roof and measure the amount of rise for every 12 inches of horizontal movement toward the highest point.
4 12 to 20 12 pitches.
Normal shingle installation is allowed for all roofs with a pitch of 4 12 and above.
Minimum pitch for tiled roofs pitched roofs are often considered low pitch when they re between 10 and 35.
Low pitch roof slates.
Some concrete based tiles will go down to 15 and a few will even cope well with being laid on a 12 5 pitch.
Metal roof slope is expressed by a ratio indicating the roof pitch which notes the vertical rise of the roof in inches for every 12 inches the roof runs horizontally in other words dividing the vertical rise and its horizontal span.
All of the low pitch roof tiles offered in this range of products can be used down to 10 with anything less than 10 being considered a flat roof.
Shallow pitches are generally cheaper to construct with savings in both timber and tiling.
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.
Slopes above 19 12 are not recommended since tiles on very steep roofs can rattle.
When looking at metal roofing panel you will need to.
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.
If you are looking for roof tiles designed specifically for low pitch shallow roofs then your choice is very limited.
