Slating A Low Pitch Roof

Generally speaking 20 degrees is the lowest advisable pitch for a slate roof depending on the size of the slates and how much that the roof is exposed to moderate weather conditions.

Slating a low pitch roof.

Slate and slate type shingles require a minimum roof pitch of 4 12 or greater. Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater. Siga 65 slate roofs installed to the correct specification would attract the usual 30 year warranty. Wood shakes require a minimum roof pitch of 3 12 or greater.

Marley wessex tile 106. Although bs 5534 recommends a minimum pitch of 20 ssq has developed a successful slate roofing system that allows the roof s pitch to be reduced to 17 5 generally and under some circumstances as low as 15 in areas considered to be unexposed. For low pitch slate roofs you should specify siga 65slates from our commercial range sized at 500x300mm and supplied unholed for hook fixing. As low as 2 10 1 75.

When slating with a shallow pitch a wide slate is highly recommended for maximum side lap or lateral lap side. Easy slate vastly improves the performance of the slates enabling roof pitches as low as 12 degrees. Add to wish list add to compare. Pitch of the roof.

Size of the lap. What roof pitch do i need for what slate size. Marley mendip tile 123. Built up roofs require a minimum roof pitch of 1 4 12 or greater.

Size of the slate. Wood shingles require a minimum roof pitch of 3 12 or greater. Type of slate being used. Guidance on these components can be found in british standard bs 5534 2014 the code of practice for slating and tiling.

The best tiles and slates to cover low pitched roofs. As low as 1 38 1 15.