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Lime mortar has been used in construction for centuries, and it is still a popular choice for many builders today. However, despite its many advantages, there are also some hidden disadvantages that you need to be aware of. In this article, we will explore the drawbacks of lime mortar and why you should consider other options.
- Slow Drying Time
One of the biggest disadvantages of lime mortar is its slow drying time. Unlike modern cement-based mortars, lime mortar can take weeks or even months to fully dry and harden. This can be a major problem if you need to complete a project quickly or if you live in an area with a lot of rain or humidity.
- Weakness in Cold and Wet Conditions
Another issue with lime mortar is that it can become weak and brittle in cold and wet conditions. This is because lime mortar is porous and can absorb moisture, which can cause it to crack and crumble over time. This can be a serious problem if you live in an area with harsh winters or frequent rain.
- Limited Strength
While lime mortar is strong enough for most applications, it is not as strong as modern cement-based mortars. This means that it may not be suitable for certain types of construction, such as high-rise buildings or heavy load-bearing structures.
- Higher Cost
Compared to other types of mortar, lime mortar can be more expensive. This is because it requires more time and skill to prepare and apply, and it may also require additional materials such as lime putty or pozzolanic additives.
- Limited Availability
Finally, another disadvantage of lime mortar is that it may not be readily available in all areas. This can make it difficult to find a reliable supplier or contractor who is experienced in working with lime mortar.
In conclusion, while lime mortar has many advantages, it is important to be aware of its disadvantages as well. If you are considering using lime mortar for your next construction project, be sure to weigh the pros and cons carefully and consider other options if necessary.
