Low Pitch Roof Slates

Higher exposure or different sized slates necessitated a greater roof pitch of 22 5 or more.

Low pitch roof slates.

Low pitch roof slates. 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. Edgemere interlocking slate is a large format concrete roof covering with a thin leading edge for a slate like appearance. Cushions the slates and reduces breakage.

What are the challenges of a low pitch roof. Improves the ventilation of the roof through the slates when used with a breather membrane. Many problems that arise from the installation of a low pitch roof derive from poor installation or lack of maintenance. With regards to the pitch the building standard code bs 5534 recommends a minimum pitch of 20 0 for slate roofs.

The patented easy slate system provides a unique solution enabling slates to be installed on any roof with a pitch as low as 12. 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. 5 12 to 12 12 pitch. Eliminates the angle of creep and allows slates to be laid on a roof with a pitch as low as 12 degrees.

This opens up many opportunities for slate roofs in domestic commercial and heritage properties. 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. Slates no longer need to be ruled out where the ridge height has been restricted due to planning considerations. These shingles are appropriate for pitches as low as 4 12 pitch all the way up to a 12 12 pitch.

The marley thrutone slate is a perfect example of a low roof pitch option. Economically priced and available in either blue or black it can be pitched at 15. Down to 22 5 degree pitches smooth with a headlap of 75mm. 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.

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. This low pitch roof tile gives the appearance of slate without the cost or the high maintenance.