Slate Tile Roof Pitch

Slate tile requires a pitch of 4 12 or greater.

Slate tile roof pitch.

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. When slating with a shallow pitch a wide slate is highly recommended for maximum side lap or lateral lap side overlaps. Additionally if the climate can cause backups of water as ice under the eaves the tile requires at least two layers of underlayment cemented together. The rise and the length.

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. Higher exposure or different sized slates necessitated a greater roof pitch of 22 5 or more. For tile shingle slate and metal roofing. Most commonly a roof pitch will be from 0 flat to 12 45.

The pitch of a roof is determined by 2 numbers. 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. Roof pitch is a term used in the roofing industry to describe the angle slope of a roofing structure.