Higher exposure or different sized slates necessitated a greater roof pitch of 22 5 or more.
Roof tiles for 20 degree 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.
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.
To convert between american roofing ratios and pitch degrees follow these steps.
Low pitch roof tiles low pitch roof tiles are thought of as those that are suitable for laying on roofs at 20 degrees or less.
We also provide a number of other low pitch concrete interlocking solutions such as the mendip and wessex tiles each able to perform at pitches of 15 degrees and our new mendip 12 5 can be used at an even lower pitch of 12 5.
Down to 17 5 degree pitches smooth with a headlap of 100mm.
Popular applications include extensions where windows or planning restrictions prevent the use of standard roof tiles.
The roof pitch calculator is a convenient online tool you can use to quickly assess the pitch of your roof to determine the length of rafters you need.
With the use of this converter it will be easier for you to locate a 30 degree roof pitch 20 degree roof pitch 25 degree roof pitch or a 15 degree roof pitch.
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.
They can also be used on low pitched roofs such as the sandtoft 20 20 tile which is a highly popular clay option that can be installed on pitches of 15.
Divide the first part of the ratio by 12 to work out the pitch.
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.
Hi all i am currently buidling my extension and have worked out that the roof pitch will only be about 20 degrees.
Down to 22 5 degree pitches smooth with a headlap of 75mm.
Find the inverse tangent of the pitch to find the angle in degrees.
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.
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.
After finding out your roof pitch angles you can use the calculator to perform the calculations for you instead of doing them manually.
A 12 12 pitch roof has a pitch angle of 45.
Low pitch roof slates eco slate is an environmentally friendly man made slate alternative that can be installed on any pitched roof from 10 to 90.