Standard Roof Tile Pitch

A gable roof is a traditional triangle shaped roof that can range from a medium pitch to sharp angled roofs.

Standard roof tile 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. Contemporary houses often have flat roofs which shouldn. What is the standard pitch for a roof. Roof pitch is a measurement of a roof s slope expressed as a ratio.

There is no standard universal roof pitch roof pitch varies depending on culture climate style and available materials in the usa the range of standard pitches is anywhere between 4 12 and 9 12 in the uk the typical house has a pitch between 40 50 although 45 should be avoided. Although there is no single standard roof pitch used on all sloped roofs factors such as roofing materials and local climate help to determine the appropriate range of pitches for a given building. The british standard for tilling and slating provides specific guidance about double lapped slating where calculations and recommendations for pitch and lap of slate are based on. The roof pitch is described by the vertical rise divided by horizontal span.

To calculate roof pitch take the lowest point of the roof and measure the amount of rise for every 12 inches of horizontal movement toward the highest point. For example a roof that rises 3 inches for every 12 inches has a pitch of 3 12. A low pitched roof is easier to put up and maintain but may show very little of its material at ground level. It is a traditional roof shape employed everywhere from tropical huts to nordic ski chalets.

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.