Brickbat Coba waterproofing is an effective way of providing waterproofing and insulation for thermal comfort for flat RCC roofs to prevent leakage of water.
It is one of the oldest procedures of waterproofing, which consists of laying brickbats on the flat RCC roof and grouting the same with waterproofing compound with a slope to drain the surface water.
for more detail please visit the following link:
https://theconstructor.org/concrete/brickbat-waterproofing-procedure-disadvantages/39280/
Concrete screed is a construction element laid in a range of thicknesses whose purpose is to bring the installation surface of the concrete flooring to the design height and to provide a surface suitable for installing the specified flooring.
for more detail please visit the following link:
https://theconstructor.org/concrete/concrete-screed-properties/17132/