Maximum Pitch For Slate Roof

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

Maximum pitch for slate roof.

A couple of likely slate suppliers are consulted and they confirm that they are happy to supply 600x300mm slates for a minimum roof pitch of 20 degrees assuming a minimum lap of 125mm. What is the maximum roof pitch for a roof tile. 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. Roof tiles and slates are very versatile products and can be used on a variety of roof pitches.

Generally a slate roof is not installed on a pitch less than 4 12. 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. 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. The slope of a roof is often referred to as the roof s pitch.

You consider some alternative solutions. It is agreed that the roof pitch should be a minimum of 20 degrees preferably a bit more.