Roof Pitch Angle Australia

The roof pitch calculator is a convenient online tool you can use to quickly assess the pitch of your roof to determine the length of rafters you need.

Roof pitch angle australia.

Angle the angle of a roof is the same as the roof s slope except instead of being. Generally single storey houses suit a flatter roof around 20 degrees while a double storey can go to 30 degrees without looking out of place. Pitches lower than 4 12 have a slight angle and they are defined as low slope roofs. Pitches of less than 2 12 are considered flat roofs even though they may be very slightly angled.

Roof pitch in layman s language simply refers to the steepness of the roof. The pitch of a roof is arrived at by dividing the vertical rise and its horizontal span or what people in the roofing industry would refer to as the slope. This type of roof is the most popular in australia. This means that for best results the roof pitch of your property should ideally be equal to the latitude angle with the panels mounted at the same angle as the roof.

Roof pitch and corresponding angles. Hipped roofs often offer shady eaves and great strength which makes them good for high wind rated areas. The most commonly used roof pitches fall in a range between 4 12 and 9 12. This forms an angle of 18 5 between the horizontal section and the roof and creates a gentle incline that is seen as a midpoint between a low pitch and medium pitch roof.

Pitches above 9 12 are very highly angled and are designated steep slope roofs. After finding out your roof pitch angles you can use the calculator to perform the calculations for you instead of doing them manually. For example if you reside in sydney a roof pitch of 34 would be considered ideal as this is equal to the latitude angle 33 86 of the nsw capital. Hip a hipped roof has three four or more pitched planes depending on the shape of the house and all planes slope downwards from a ridge at the top of the roof.

A 4 12 slope is enough to accommodate water runoff but is not suitable for regions that are affected by heavy snowfall. Roof pitch calculator results explained. You haven t said whether the house is one storey or two as it can make a difference. Slope the slope of a roof is represented as x 12 where x is the number of inches in rise for every 12 inches of run this is very useful information for many purposes especially for roof framing the slope sometimes called pitch is calibrated on speed squares.

This means if a roof rises 4 in the length of 12 your roof pitch would be 4 12 or 18 43 degrees.