Terrace Water-Proofing

99% of buildings in Indian cities have R.C.C Roofs. Invariably apartment building roofs are terraces with parapet wall.

 

 

On Structural Roof Slab brick-bat bedding is done to provide slope. On this Bedding, Cement & Sand mortar topping is done. Sometimes this topping is covered by

China Mosaic(Layer of White Glazed Broken Chip Tiles) . This Method is adopted for almost 95% of cases as the method is based on available materials & Skills.

 

Parapet Walls are covered with simple 2-coat cement-sand mortar plaster popular as sand-face plaster. For Water-Proofing Effect, Commercially available integral water-

proofing power or liquid is added to the plastering mortar.

 

Summary:

• Terrace
• Brick-Bat Bedding for Slope
• Cement-Sand Mortar topping worked in smooth cement finish with false chequered marking OR
• Cement-Sand Mortar topping with China Mosaic (Broken Tile Chips) finish to reflect off the sun heat Radiation.

Parapet Wall

Plastered in 2 coat cement-Sand plaster with addition of commercially available sodium stearate based liquid or powder additive (2%) to mortar. This additive provides water

repellent property to the plaster.