Merits and Demerits of Flat Roofs

1. Merits

1. Flat roof tops may be used for several purposes, such as roof gardens, drying yard, conducting functions, etc.
2. Construction and maintenance easy.
3. Construction of additional floor can be taken.
4. Possess good heat and sound insulation.
5. Easy to make fire-resistant than pitched roof.
6. Require less roofing material than pitched roof.
7. Economical.

2. Demerits

1. Not suitable in places of heavy rainfall or snowfall.
2. Susceptible for cracks due to variations of temperature.
3. Heavy construction and involves high initial cost.
4. Construction process is slower than pitched roof.
5. Effective care is needed in selecting the construction material.