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What are benefits of lime?

Updated: 8/10/2023
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12y ago

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In relation to OPC, lime is burned at a lower temp so less carbon is put into the atmosphere from fossil fuels. The carbon that the actual Calcium Carbonate (limestone/seashell/coral) releases whilst being heated is sequestered back but will only aborb all the carbon if it's pure lime so the more hydraulic a lime the less ecological it is (cement sequesters next to none). Lime mortars are soft and so don't don't damage the stoen or brick work over long periods of time whereas I often find 'skeletons' of cement pointing which is intact whereas the lime or sand stone that it's meant to protect is ruined due to water ingress and acute freezing-thawing processes of the winter and the constant heating/cooling of the seasons ( the pointing should always be softer than surrounding stonework and therefore sacrificial). Lime mortar can be easily removed from bricks and stones making it possible to recycle them, a very strong advantage indeed, although something that most modern builders overlook. Lime is breatheable, for building built at around the turn of the last century (1900) and before, there is seldon any damp proof other than roofing slates perhaps and the self draining foundations are very often silted up. this bridges the gap between the soil beneath and the wall mortar and allows the transgression of moisture up into the walls. old walls with self draining foundations should never be covered with cement as this traps the moisture within the wall and it will eventuallyfind a way through, blowing the plaster as it does and taking a long time to dry out. Walls such a these treated with lime will breathe whic means allowing the moisture to equalise, in my opinion, they should be lime pointed/rendered on the outside with hydraulic lime and plastered using lime putty in the interior. Dry lining just covers it up, cement just makes it worse, retro injecting a dpc never works on brick or stone walls and electrolysis, well, don't know much about that one tbh.

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12y ago
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10y ago

yes i think so becuase lime belong to fruit and vegetables andit can make someone loose weight

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