![]() ![]() If pitch of roof is measured in fraction fall under the range of 4/12 to 9/12 or “4 in 12” to “9 in 12” slope, measured in ratio in the range of 4:12 to 9:12, measured in percentage in the range of 25% to 75% and measured in degree in the range of 18° to 37°. One may ask, how to calculate the roof pitch?, to determine the roof pitch or pitch of roof you need Pitch formula for roof calculator, by means you can easily calculate value of roof pitch in fraction, in ratio and angles in degrees, you can also calculate length of rafter, rise height per foot run, roof height and span. ![]() Pitched roof is type of roof comprising sloping surface or surface with an angle of usually over 20°, generally it slopes downward in one two or more parts depending on design and construction. These are two types of roof structure based on slop.įlat roof is type of roof in which slope is generally less than 10°, which only enable to ensure adequate drainage of rainwater in low to moderate rainfall regions. The area which has heavy rainfall and snowfall require good drainage for roof, roof drainage depending on slope of the roof provided, based on slope of roof it is categorised into two types flat roof and pitched roof or sloping roof. ![]() Design and construction of roof is depending on many factors but one of the most common important factor is climatic and weather condition of your surrounding areas, in your cities and countries. ![]()
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