Lime Plaster is Healthy, Timeless, and Elegant
The earliest plasters known to us were lime-based. Around 7500 BC the people of Ain Ghazal in Jordan used lime to make plaster on a large scale to cover walls.
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Lime plaster is far more durable and versatile than any other types of plaster available today. It is less prone to cracking from settling and shrinkage that its cement counterpart. In all climates, lime plaster provides lasting protection over a wide array of substrates. Most importantly, it is permeable to water vapor. In other words, unlike with acrylic stucco, moisture freely evaporates. Any excess moisture is prevented from being trapped inside the wall by a favorable evaporation out of the outer skin.
Lime plaster is also ideal for interior applications. Applied as a two-coat veneer system, it is a functional and esthetically superior alternative to conventional coatings. While it provides an abuse-resistant monolithic surface, lime plaster is also recommended from a green building perspective. Non-toxic, it features excellent absorption and diffusion characteristics, offering optimal indoor air quality. As it cures succeeding the application, calcium hydroxide (lime) slowly absorbs the carbon dioxide in the air. In the process lime is converted back to its parent material - calcium carbonate or limestone - producing a true mineral surface for years to come.
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