Construction of Sunken Slabs | Building Construction
Sunken slabs are used in the toilets, bathrooms and washing place where we have our washing machines. The purpose of having a sunken slab is to conceal all the pipes below the floor. Since the pipes that carry water are concealed below the floor, care has to be taken to avoid leakage problems.
It is seen that people are not much aware of the idea of waterproofing the Sunken slab before the floor finish is done. In this article, we will discuss the method of the construction of Sunken slab and waterproofing technique.
Method of construction of a Sunken Slab
- The concrete of the R.C.C. (floor and sunken slab) should mixed with a waterproofing material to get a denser, watertight concrete.
- Then cement and waterproofing material should be diluted in water and splashed onto the RCC sunken slab. Over that a layer of plaster should be provided using a mortar plasticizer with the cement mortar.
- Brick laying of walls and plastering (prior to tiling) of the walls and floor should be done with cement mortar mixed with a mortar plasticizer.
- Tile fixing for the floor and walls tiles should be done with non-shrink, waterproof tile adhesives to make the tiled area waterproof.
- Sanitary pipe joints should be sealed with sealants specially manufactured for Sealing Sanitary joints firmly so that no water can leak through.
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