- 2078 Bhadra · 1 mark
Merits and demerits of lime mortar
Short answer
Merits: Lime mortar is economical, plastic, easy to apply, has low shrinkage and good bond with bricks. Demerits: Its strength is low and it gains strength slowly; fat lime mortar cannot set in damp conditions and requires long curing.
State any two merits and demerits of lime mortar.
Merits
- It is economical, with good workability and plasticity, and easy to apply.
- It has less shrinkage and cracking, and is flexible, accommodating small movements; it has good bond with bricks.
Demerits
- Its strength is low and it gains strength slowly because setting is slow (days to weeks).
- Fat lime mortar does not set in damp places or under water, and needs a long curing period.
✓ Answer checked by Claude Opus 5.5 (high effort)
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