A floor consists of a sub-floor and a floor covering.
Sub-floor may be a base-course or a sub-grade. This is required to impart strength and stability to support a floor covering and all other super-imposed loads including live loads.
Floor covering or paving or simply as flooring is the one constructed over the sub-floor and is intended to provide a hard, clean, smooth, impervious, durable and impressive surface to the floor.
The functional requirements of floors in general are as follows:
- Strength and stability
- Damp prevention
- Heat insulation
- Sound insulation
- Fire resistance
- Durability
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