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wall finishes

Clay & Lime Plaster

Clay and Lime plasters are an environmentally friendly alternative to conventional plaster and paint. Clay plaster is a mixture of sand, clay, water and sometimes straw. Lime plaster is a mixture of lime, sand and water. The great thing about clay and lime plasters is that it does not contain any harmful particles (VOC). The colours added are often non toxic and natural. Please do check the label though- while many might advertise to be toxin free, natural and environmentally friendly, some do contain a large quantity of portland cement, which is a large CO2 emitter. 

Plastering can be very much for the creative minds. Textures can be played with, shapes can vary and other elements for example leafs can be integrated into the wall.

Image by Hal Gatewood

While it is uncommon and perceived as alternative in our day- these are products that have been around for a very long time. And as it is a natural material it will help remove moisture out of your house. So, what are the pros and cons of clay and lime plasters?

Advantages of clay and lime plasters:

  • Made of natural materials

  • Natural materials help taking out moisture of your home, and therefore help making a more comfortable climate

  • Both plasters are very durable with a long lifespan

  • The production process of those plasters is low in CO2 emissions into the atmosphere

  • The materials do not contain any toxins, harmful particles or gases

  • It is easy to repair in case of damage

  • Lime and clay plasters are naturally fire resistant

  • Other elements can be included into the wall

Disadvantages of clay and lime plasters:

  • Most people are not comfortable in plastering and require a professional to do it for them

  • some do contain cement, which is a large CO2 emitter

Image by Martino Pietropoli
Image by Dmitry Bayer
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