The 30 degree 7 12 roof recommendation is backed up by testing according to the publication science daily.
Roof tiles below 15 degree pitch.
Low pitch roof slates.
Low pitched roof tiles slates 15 below extons roofing supplies browse our range of low pitched roof tiles and slates that can be used at a maximum pitch of 15 degrees.
On some developments design limitations can arise on comparatively small areas of the roof which restrict the available roof pitch to below 35 which is the minimum pitch recommended for all plain tiles in bs en 5534.
Our melodie interlocking clay pantile can be used in roof pitches as low as a 12 5 our wessex and mendip concrete roof tiles can be used down to a minimum 15 pitch.
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Granular coated tiles are only suitable for pitches above 17 5.
And our brand new mendip 12 5 can be used at an even lower pitch of 12 5 restrictions on rafter length may apply further information all our low pitch options come complete with matching fittings and accessories for ease of installation and additional protection.
The following roof tiles can be used on roofs with a pitch of no less than 15.
The picture below shows the pitch of a 7 12 roof slope meaning that for 12 of horizontal measurement roof run the vertical measurement roof rise is 7.
The chief reason for having a roof pitch is to redirect water and snow away from the roof and avoid any percolation that might result from stagnation of water on the roof.
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.
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.
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.
A 30 degree roof slope 7 12 pitch is the right pitch to aerodynamically handle high wind.
This low pitch roof tile gives the appearance of slate without the cost or the high maintenance.
Guidelines for roof sections falling below a 35 pitch.
Steeper slopes increase the sail effect that makes them susceptible to wind.
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This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.
Lower slopes don t handle wind driven rain as well.
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.
Importance of a roof pitch.
Manufactured from 100 recycled materials eco slate is available in grey and old world red.
Eco slate is an environmentally friendly man made slate alternative that can be installed on any pitched roof from 10 to 90.
If this isn t practical then perform the same measurement on the underside of.
