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.
Roof tiles suitable for 20 degree pitch.
The 30 degree 7 12 roof recommendation is backed up by testing according to the publication science daily.
What is a low pitch roof.
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.
Such as the sandtoft 20 20 tile which is a highly popular clay option that can be installed on pitches of 15.
Granular coated tiles are only suitable for pitches above 17 5.
In general tiles with low profiles are best for low pitches as they allow better run off.
The following roof tiles can be used on roofs with a pitch of no less than 15.
You can opt for the ungranulated.
20 30 3 30 4 following this system will ensure that the absolute minimum pitch allowed with two layers of tyvek supro is 12 for a tile which has a minimum pitch of 14.
All these roofs have been generally fixed with an unattractive industrial looking or cement fibre roof sheet finish or a felt roof system.
Marley mendip this tile can be laid to a minimum of 15 provided that the headlap is 100mm and you choose a smooth finish tile.
Low pitch tiles are also easier to walk on than other types and there are options that also come with screws to secure them into place.
Generally it is considered a roof of 20 degrees or less.
A 30 degree roof slope 7 12 pitch is the right pitch to aerodynamically handle high wind.
Eco slate tile is a 100 recycled and recyclable self bonding roof slate suitable for low.
Common building types such as garages lean to s conservatories non traditional housing pitch felt roofs.
Flat to pitch conversions.
From roof tiles and underlays to eaves systems and ridges bmi redland have a comprehensive range of roof products and systems.
Tiles suitable for pitches as shallow as 15.
They come in several profiles some suitable for pitches as low as 10 12 degrees.
All elements of bmi redland roofs are carefully designed tested and manufactured to give value visual appeal and a long lasting weathertight performance.
They re an extremely attractive shallow pitch roof tile option and have the advantage of coming in a granulated texture for a more authentic finish.
Steeper slopes increase the sail effect that makes them susceptible to wind.
For a budget tile perfect for garden sheds carports etc.
Our shingle can be used down to a 15 degree pitch while bond slate 900 woodshake and roman profiles go down to 12 degrees.