What is the basis of choice for cement sand plaster in ratio
1:4 and 1:6 on interior walls of a residential apartment.

Answer Posted / mahendra mohan srivastava, acc

As you know that 1:4 is rich mortor behalf of 1;6, because
1:4 has 1 part of cemet and 4 part of sand, and in 1:6 has
1 part of cemet and 6 part of sand, so same cement contant
but more sand shown that the fine partical more. so when
fine parical more it wants more water, and if we add more
water in same cement contant the strength will reduce. so
in between 1:4 and 1:6, 1:4 is more power full, instred of
1:6.
now interior wall and Outer wall, outer wall is facing more
climate effect, like rain wind etc.
so we use rich morter in outer wall.

Is This Answer Correct ?    42 Yes 1 No



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