Pitched Slate Roof Construction Detail

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.

Pitched slate roof construction detail.

Visually this roof appears flat. Part 1 a guide to roof construction. A side gable is a basic pitched roof. Roof pitch 40 roof area m 2 150 length of roof slope m 9 5 the headlap can be found from table 1 by reference to slate size roof pitch and exposure 65 mm.

It was fashionable for modern style homes built in the 1960s to have little pitch just a barely negligible slope to help drain water. The redland cambrian grey slate is a good example of man made slate as it is composed of 60 of natural slate the slate also comes with interlocking ability. When slating with a shallow pitch a wide slate is highly recommended for maximum side lap or lateral lap side. Part 3 pitched roof detail.

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. Construction details of pitched roof. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. The slate coverage per m2 can be found from table 2 23 9.

Covers flat roof materials and flat roof construction of warm and cold roofs. Weight of slates kg area of roof m 2 slate. A crossed gable roof is two gable roof sections put together at a right angle. It has two equal panels pitched at an angle meet at a ridge in the middle of a building.

The minimum pitching or sloping degree for the roof is decided by the minimum slope necessary for excluding the roof covering and drain rainwater to eaves or valley gutter. Roofs on victorian era houses were often sharply angled with a steep pitch. Covers an overview of flat and pitched roofs. Part 4 flat roof construction.

While it s a more costly option due to the processes and materials that go into its manufacturing this versatile slate can be used on pitched roofs at 15. Pitched roofs are generally provided with a pitch of about 20 degrees to the horizontal for slates and 40 to 60 degrees for tiles. Covers pitched roof detail. This pitch might be as low as 1 12.

Pitched roofs examples of pitched roofs. Whilst you can have tiled roofs of 10 15 these are really flat roof construction with a cosmetic covering of tiles. A pitched or sloping roof has a pitch of at least 15 but often much more. The triangle section can be left open for an open gable roof or it can be enclosed for a boxed gable roof.

Think of a classic addams family haunted house with its soaring peaks and you have a. 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. If your main interest is in flat roofs then you can learn more by reading flat roof construction part 4.