Is brick Bat Coba necessary?

Purpose of Brick Bat Coba Waterproofing To prevent the entry of moisture in the structures. It will help to maintain the temperature in the structure. Brickbat Coba also helps to protect the building from the leakages. It will help to protect from the heat and keep the structure cool in summer.

How do you waterproof a Coba brick bat?

Procedure of Brickbat Coba Waterproofing

1. Surface Preparation. In the case of existing treatment, the coating on the slab top shall be removed, and surface cleaned by hard wire brush and washed with water.
2. Application of Slurry and Base Coat.
3. Placing of BrickBat.
4. Laying of Protective Coat.
5. Curing.

What is mud Phuska treatment?

3.3. 1 Mud phuska treatment is a common insulating cum water proofing treatment used in comparatively hot dry region i.e. Punjab, U.P. etc., where rainfall is not heavy. This treatment usually consist of the following courses: I) A layer of hot bitumen 80/100 or equivalent.

What is mud Phuska terracing?

Mud-phuska is prepared from puddle clay mixed with bhusa at the rate of about 8 kg of bhusa per m3 of clay. A 10 cm thick layer of this mud-phuska is applied over the sand- bitumen layer. Proper slope (usually 1 in 40) is given in mud-phuska layer.

What do you understand by DPC?

What is DPC? The damp proof course (DPC) is generally applied at basement levels, which restricts the movement of moisture through walls and floors. The selection of materials for the damp proof course and its various methods of applications in buildings is discussed.

What is the min gap required between brick bat?

The gaps between the brick bats are generally kept between 15 and 20 mm. These gaps are filled with cement sand mortar, 1:4, admixed with waterproofer. In hot and dry weather, the surface should be covered with wet gunny bags immediately after finishing. Curing should start next day and continued for 7 days.

Is 2645 a standard?

This standard was, therefore, published in 1964 and was subsequently revised in 1975. It is necessary that all constituent materials in concrete including integral waterproofing compounds for mortar and concrete. should, as far as possible, be free from chlorides and sulphates.

What is the first layer for waterproofing of concrete roof slab?

First is weatherproofing of the slab by providing heat insulation for the area below it. The second purpose is waterproofing. This layer also provides the slope required for easy drainage of rainwater. The parapet is of brick masonry and plastered with ordinary cement mortar.