Pitched Flat Roof Construction

Flat roof slope the slope of a roof or pitch is determined by how many inches the roof rises over 1 foot or 12 inches.

Pitched flat roof construction.

An architect makes the usual decision of the pitch. Flat roofs have no slope and are available in built up single ply. Pitched roofs are usually much heavier than flat roofs so an easy replacement may not always be possible. The materials used are generally more weather resistant and durable though with more robust materials being introduced into the flat roofing market this gap is starting to close.

An example for a steep sloped roof is 8 12. Low pitched roofs have the pitch below 4 12 33 3. The longevity of a pitched roof is usually superior to that of a flat roof leading many homeowners to choose it for their properties. Pitched roofs come in a variety of styles such as gable cross gable and hipped all of which are sloped to different degrees.

This means that the rise of the slope goes up or down 8 inches for every 12 inches. If you own a building with a flat roof the first thing your contractor will do is consult a structural engineer to make sure your structure can handle the conversion. Generally these roofs have a pitch from 1 2 12 to 2 12 from 4 2 to 16 7. A pitched or slanted roof has a terrain of at least 15 but it is often much more.

Materials that cover flat roofs typically allow the water to run off from a slight inclination or camber into a gutter system. These are generally difficult in maintenance as they require special materials to avoid leaks. A typical roof pitch in the uk for a traditional house will be 40 50 but at most it can go up to 70. Flat roofs are not perfectly flat in reality they need a small slope for water runoff.

The longevity of a pitched roof is usually superior to that of a flat roof leading many homeowners to choose it for their properties. A pitched roof has at least two slopes that rise to meet at a peak.