5 12 to 12 12 pitch.
Low pitch roof slates.
Eliminates the angle of creep and allows slates to be laid on a roof with a pitch as low as 12 degrees.
This low pitch roof tile gives the appearance of slate without the cost or the high maintenance.
Improves the ventilation of the roof through the slates when used with a breather membrane.
The marley thrutone slate is a perfect example of a low roof pitch option.
With regards to the pitch the building standard code bs 5534 recommends a minimum pitch of 20 0 for slate roofs.
Economically priced and available in either blue or black it can be pitched at 15.
Eco slate is an environmentally friendly man made slate alternative that can be installed on any pitched roof from 10 to 90.
These shingles are appropriate for pitches as low as 4 12 pitch all the way up to a 12 12 pitch.
Many problems that arise from the installation of a low pitch roof derive from poor installation or lack of maintenance.
Down to 22 5 degree pitches smooth with a headlap of 75mm.
500mm long 100 per box 600mm long 100 per box 3mtr long 10 lengths per pack.
What are the challenges of a low pitch roof.
Down to 17 5 degree pitches smooth with a headlap of 100mm.
Low pitch roof slates.
Relating to the pitch the building standard code bs 5534 recommends a minimum pitch of 20 deg for slate roofs which can be achieved through specific design although most manufacturers recommend a 25 degree minimum pitch.
This opens up many opportunities for slate roofs in domestic commercial and heritage properties.
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.
Edgemere interlocking slate is a large format concrete roof covering with a thin leading edge for a slate like appearance.
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.
But since there is still a wide variety of slate roofing systems there are occasions when the minimum pitch can go down to as low as 15 0 depending on the uniqueness of the roof.
Slates no longer need to be ruled out where the ridge height has been restricted due to planning considerations.
Cushions the slates and reduces breakage.
In order to provide you with the opportunity to specify low pitched slate roofs below 20 with confidence siga commissioned the bre to carry out a set of tests.
