Friday 20 April 2012

Lime plaster and cement plaster compared.


Compare Lime plaster with cement plaster.
       
Sr. No.
Lime plaster
Cement plaster.
1
For plastering with lime, the lime used must be tempered and kneaded well.
Cement is ready for use and there are no preparatory steps
2
The ratio of lime to sand is 1 : 2 or 3.
The cement to sand ratio is 1 : 3 for high strength and 1 : 4 or 6 for normal walls.
3
The mixture prepared must be used within 4 hours.
The mixture prepared must be used in 30 minutes.
4
Lime plaster does not need watering/curing.


The cement plaster needs to be watered for 3 weeks for adequate curing.
5
The atmospheric carbon-di-oxide hardens or settles lime plaster.
The sprinkled water, working as a catalyst, hardens cement plaster due to formation of various silicates and aluminates.
6
The lime plaster is not as strong as cement plaster.
Cement plaster is stronger than lime plaster.
7
Durability of lime plaster is lesser than cement plaster.
Cement plaster is more durable than lime plaster.
8
The thickness of the plaster coat is 10 to 15 mm. 
The thickness of the plaster varies from 7.5mm to 20mm.

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