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    Extra tips & tutorials

    Lime plasters and renders

    See ‘making lime mortars‘ for how to make mortars, plasters and renders. Read more

    What is building lime?

    All types of building lime are made from limestone, which is a sedimentary rock composed of the dead bodies of sea creatures such as shellfish, corals and some planktons. Read more

    Different types of lime

    Non-hydraulic lime (quicklime), hydrated lime, hydraulic lime and lime sand. Read more

    Environmental and health benefits of lime

    Environmental and health benefits of lime. Read more

    Benefits of lime for buildings

    Lime is not much good for tower blocks or supermarkets, as it doesn’t have the strength or speed required; but it’s ideal for the domestic scale, Read more

    Modern alternatives to lime

    ….. and why lime fell out of favour. Read more

    Health & safety

    Quicklime is dangerous. It is extremely caustic, and can burn skin especially when wet. Eyes must be protected at all times. Read more

    Burning lime

    For interest – you’re probably not going to do this, but… Read more

    Slaking lime

    You may be interested in following the process through from beginning to end – although you may not want to burn your own limestone, you may want to slake quicklime. Read more

    Lime mortar

    Making & using lime mortar, and pozzolanic additives. Read more

    Rendering straw-bale buildings

    This section contains specific information for straw-bale buildings. It’s best to let the building settle for as long as possible after building, before you render it. Read more

    Lime slurry

    Lime slurry can be applied to a wall to present a uniform surface to further coats of lime wash. Read more

    Lime wash

    One part lime putty, c. two parts water or until the consistency of full cream milk is achieved. Mix in a small tub or a bucket with a whisk. You can sieve for a particularly fine finish. Read more


    Lime concrete, or limecrete, has been used since Roman times for massive structures such as bridges, docks, and even the dome of the pantheon in Rome. Read more

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