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A Simple Way To Calculate The Area Of The Roof
One of the things that is very important and must be mastered by someone who works as an architect, contractor or handyman engaged in the world of building construction is how to calculate the roof area of ??a building. This is important, because an error in calculating the roof area of ??a building can be fatal, causing losses for both parties, both as consumers or homeowners, as well as architects, contractors or builders. We need to be careful in calculating every part of a building, including in calculating the roof area.
As we know the roof is one of the important elements in the building that we will design. The roof has an important function and role in protecting us from the sun's heat, rainwater, and other objects that can fall from above and enter the house. Before we discuss further, we should look at several forms of building roofs, namely: gable roofs, shield/limas roofs (such as the roofs of traditional joglo houses), flat roofs (example: sloping/flat shape), special roofs (example: MPR building, Batak traditional house, Tongkonan Toraja house).
Here are some types of roof covering materials commonly used for buildings in Indonesia, namely: Lightweight Roof, such as: Straw, Ijuk, Zinc, Asbestos, Polycarbonate. Medium Roofs, such as: earth tile, ceramic tile, concrete tile, wood tile, bamboo tile (Tongkonan Toraja traditional house). Heavy Roofs, such as: Cast Concrete Dak. One of the most important things to note is that the heavier the roof covering material used, the greater the risk of being hit by heavy objects, if the roof collapses due to an earthquake.
Here are practical tips for calculating the roof area of ??a building for flat roofs, pyramids, saddles and shields:
1. How to calculate the area of ????a flat flat roof.
This method is generally used for houses with not cast concrete.
The calculation method is as follows:
Formula :
Required roof area = Length x Width
For example, for example, a house with a size of 6m x 10m and a roof overlay of 0.8 m, the calculation of the roof area is as follows:
= (6 + 1.6)m x (10 + 1.6)m
= (7.6m x 11.6m)
= 88.16 m2
2. How to calculate the area of ??a pyramid/shield/saddle roof.
To calculate the roof area of ??a pyramid/shield/saddle-shaped building, we can use the following formula:
Required roof area = (Length x Width) / Cos (z)
where: z is the angle of inclination of the roof
Example of a house with a size of 6m x 10m and a roof oversteam of 0.8m
The roof slope angle is 30 degrees.
Then the calculation of the roof area is as follows:
= ((6 + 1.6)m x (10 + 1.6)m) / (Cos 30)
= (7.6m x 11.6m) / (Cos 30)
= 88.16 m2 / 0.866
= 101.80138 m2
Notes :
This formula can still be used to calculate the roof of the house in the form of a mixture of shields and saddles.
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