## What do you mean efflorescence? 

Ans: Effloresce is a white powdery element which invention on masonry wall by absorbing moisture from weather.



## Why effloresce happened? 

Ans:

---By using salty sand in concrete or paste.

---By using worse quality cement.

---If Don't maintain concrete ratio.

---If Don't maintain water ratio of cement.

---If mixture is not proper then it will happened. 

---If don't use 1st class bricks.

---If don't maintain FM of sand.


## How to protected masonry wall from effloresce? 

Ans:

---At first we have to ensure the sand is free from salt.Then we used it for concrete or plastering. 

---we have to maintain mixing ratio of concrete or paste.

---We have to maintain water ratio of Cement. 

---We have to maintain FM of sand.

---Use well quality cement in mixture. 

---Use 1st class Bricks in wall.


How to protected construction wall from efflorescence?

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