WHAT SHOULD BE THE NUMBER OF PLASTER COATS FOR DIFFERENT WORKS?

Number of plaster coats for different backgrounds

The ideal number of coats, where practicable, is two, namely lining after that a finishing coat, However, it is believed that in the past very successful work has been done with only a finishing coat of plaster on a reasonably flat background of brick, concrete and similar materials. However, for very rough surfaces, such as rough stone masonry, three coats of plastering may be necessary. Metal lathing normally requires three coats of plaster finish for successful results. Renovation work on wooden logs should also be done in three coats.

The range of coats commonly employed for various backgrounds is given in the table below.


background

number of coats

brickwork or hollow clay tiles

2 or 1

concrete, cast in situ

2 or 1

building blocks

2 or 1

wood log

3 or 2

Fire Building Board (Insulating Board)

2 or 1

wooden wool slabs

2 or 1

cork slab

2 or 1

Uneven and rough stone masonry

3 or 2

Er. Mukesh Kumar

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Er. Mukesh Kumar is Editor in Chief and Co-Funder at ProCivilEngineer.com Civil Engineering Website. Mukesh Kumar is a Bachelor in Civil Engineering From MIT. He has work experience in Highway Construction, Bridge Construction, Railway Steel Girder work, Under box culvert construction, Retaining wall construction. He was a lecturer in a Engineering college for more than 6 years.