8 Advantages and Disadvantages of Flat Roof Over Pitched Roof

8 Advantages of Flat Roofs Over Pitched Roofs

Following are the 8 advantages of flat roofs

Mono pitched roof construction
Mono pitched roof construction

1. Its construction is easy and simple. 

2. The roof area can be used for roof gardening, drying yards, playing, etc.

3. It is easier to make a flat roof fireproof.

4. A flat roof is more stable against high winds.

5. For multi-storied buildings, a flat roof is the only choice.

6. It has better insulating properties.

7. It does not require a false ceiling which is desirable in the case of a pitched roof.

8. It is found to be overall economical than a pitched roof.

8 Disadvantages of Flat Roofs Over Pitched Roofs

Following are the 8 disadvantages of flat roofs:

1. A flat roof can not be used over a large span.

2. Flat roofs are costlier than sloped roofs.

3. Cracks are developed on the surface of the roof when the variation in temperature is high.

4. In the regions of heavy rainfall, flat roofs are not preferred.

5. If the top surface slope is not sufficient, then water pockets may be formed on the surface of the roof. This mainly leads to leakage of the roof.

6. Self-weight of the flat roof is quite high. This reduces the superimposed load-carrying capacity of the roof.

7. It is difficult to trace and then rectify the leakage in a flat roof

8. The progress of construction of the flat roof is slow as compared to a pitched roof.

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