Slating A Low Pitch Roof

What roof pitch do i need for what slate size.

Slating a low pitch roof.

When slating with a shallow pitch a wide slate is highly recommended for maximum side lap or lateral lap side. As low as 1 20 1 00. Marley wessex tile 106. Pitch of the roof.

Guidance on these components can be found in british standard bs 5534 2014 the code of practice for slating and tiling. Size of the lap. Add to wish list add to compare. 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.

Wood shingles require a minimum roof pitch of 3 12 or greater. As low as 1 38 1 15. 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. Siga 65 slate roofs installed to the correct specification would attract the usual 30 year warranty.

Size of the slate. Wood shakes require a minimum roof pitch of 3 12 or greater. The best tiles and slates to cover low pitched roofs. Marley mendip tile 123.

Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater. For low pitch slate roofs you should specify siga 65slates from our commercial range sized at 500x300mm and supplied unholed for hook fixing. Slate and slate type shingles require a minimum roof pitch of 4 12 or greater. Add to wish list add to compare.

As low as 2 10 1 75. Easy slate vastly improves the performance of the slates enabling roof pitches as low as 12 degrees.