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.
Roof tiles suitable for 20 degree pitch.
Higher exposure or different sized slates necessitated a greater roof pitch of 22 5 or more.
Concrete tiles and slates for low roof pitches.
For more information see our blog post on batten spacing for roof tiles.
Popular applications include extensions where windows or planning restrictions prevent the use of standard roof tiles.
Down to 22 5 degree pitches at a 75mm headlap.
How roof pitch determines suitable roofing systems.
I have what i would think are flat plain concrete tiles in dark brown on my current house roof and would want to match them on the extension but i cant find any at that pitch.
11 august 2015 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.
A 12 12 pitch roof has a pitch angle of 45.
What degree angle is a 12 12 pitch roof.
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.
You can opt for the ungranulated.
The following roof tiles can be used on roofs with a pitch of no less than 15.
They can be used at pitches as low as 12 5 degrees with a headlap of 92mm with rafter lengths up to 6 metres.
Flat and nearly flat roofs a pitch of 1 in 12 or 2 in 12 cannot be covered with shingles or shakes of any material since there is not enough angle to combat the danger of blow off.
For a budget tile perfect for garden sheds carports etc.
Divide the first part of the ratio by 12 to work out the pitch.
To convert between american roofing ratios and pitch degrees follow these steps.
Low pitch roof tiles are thought of as those that are suitable for laying on roofs at 20 degrees or less.
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.
Find the inverse tangent of the pitch to find the angle in degrees.
The sandtoft double pantile concrete tile uses its interlocking system to enable that added versatility.
For that reason flat roofs are limited to these types of covering materials.
Granular coated tiles are only suitable for pitches above 17 5.
Conventional low pitch slate roofs are recommended down to a minimum of 20 in areas of sheltered or moderate exposure providing a 500x300mm slate is used and a headlap of 115mm.
Melodie clay single interlocking pantiles have a flexible gauge.
Where concrete pantiles previously had a recommended pitch of 20 they can now be used on roofs at 15 if required.
Tiles suitable for pitches as shallow as 15.
