With so many names for one product there’s no wonder there’s so much confusion and misinformation around. You may see Lime Putty being referred to as any of the following: Lime putty does not set underwater and will only harden with exposure to the air in a process called re-carbonation. Our Lime Putty is a highly refined Limestone based putty slaked from finely ground particles (90 microns – less than 1/10th of a millimeter) which results in a smooth putty that requires no sieving. Unity Lime have developed our own unique slaking system which enables us to produce consistently perfect Lime Putty, free from impurities and contamination. Lime putty is made by the process of slaking which is the addition of water to quick lime (CaO) – hence the names slaked lime and Ca(OH)2 in the list below. Lime Putty is another name for non hydraulic lime. This makes hydraulic lime ideal for exterior work as a lime render, especially when damp conditions are expected.įor more on this topic, see our blogs on Hydraulic and Non-hydraulic Lime or What is Lime Mortar? Lime Putty Hydraulic Lime sets faster and is more durable, with similar properties to cement. Non Hydraulic Lime is softer and more flexible than it’s hydraulic counterpart and sets at a slower rate. The main difference is that hydraulic lime sets via hydrolysis which is the reaction with water whereas non hydraulic lime sets via carbonation which is a reaction with air. The first thing that is important to understand is the difference between Hydraulic Lime and Non Hydraulic Lime. Below we’re going to try and explain the different terms used within the construction and restoration industry as well as the benefits of using each product. Lime plaster can also sometimes be confused with cementitious plasters containing lime. When it comes to Lime Plaster, we’re usually referring to non hydraulic lime which may be referred to as hot lime, lime putty or fat lime. There can often be confusion due to the fact that the term lime is used to refer to a huge assortment of different products some of which go by different names that mean the same thing. Lime plaster is made up of sand, water and lime. Hypo allergenic, produces a healthy indoor living environment.A Beginner’s Guide to Lime Plaster and Lime Render Naturally prevents mold and mildew growth. Manufactured in USA with highest quality natural ingredients, and non toxic formula.Applied using a trowel in successive thin coats, Finish creates a timeless multi-toned stone look with subtle variations and nuanced elegance.Colors across the products lime paint, limestone, and tadelakt, will be as close a match as possible, but given the different finishes, textures, and sheen levels, some differences are expected, depending on the colors. If there is a Limewash color you are interested in but it is not listed in the Limestone Plaster finish, please email us, we can help.
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