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natural hydraulic lime mortar

Saint Astier® Natural Hydraulic Lime Building With Hemp & Hempcrete Hemp Construction, or Hempcrete, is much like concrete and is used mostly to form insulating walls. NHL 2 Lime Mortar Internal Work or Soft Masonry Flexible … © 2020 lancasterlimeworks.com | All rights reserved. Prefer to watch rather than read? This article seeks to explain the “mystery” of the differing lime products and makes a comparison of lime and cement based binders. NHL-3.5 is suitable for most exterior applications, while NHL-5 is designed for the toughest outdoor applications, such as floor slabs, underground work, and chimneys. Guide to mixing natural hydraulic lime mortar ‍ Mixing Guide. Read the installation guide below and feel free to contact us with questions or a custom quote for colors. mortars and renders). For more information on our NHL 2.0 (hydraulic lime mortar), please contact us today! Natural hydraulic lime Type 2 (NHL-2) is designed for interior applications and some exterior uses where the mortar will be protected from moisture. The ratio of sand to binder varies depending on what job you are doing. Apply over lime stucco, plaster, stone and brick. Contact us to get more information on our Natural Hydraulic Lime 3.5. We routinely prepare custom, authentic historic mortars for a wide variety of applications of all sizes as well as offering pure, natural historic binders for on-site matching by skilled tradespeople. Application Rate of Lime Mortars. The more exposed to the elements a lime mortar or lime render is, the greater the need for a faster set and greater durability, to cope with harsher freeze thaw cycles. Lime Green Natural Mortar is a pigmented preblended (NHL) natural hydraulic lime mortar available in a large range of colours. Hydraulic in “Natural Hydraulic Lime (NHL)” means that it sets up underwater instead of carbonating like non-hydraulic lime putty mortars. Artificial hydraulic lime is produced by introducing specific types and quantities of additives to the source of lime during the burning process, or adding a pozzolan to non-hydraulic lime. Pure and natural hydraulic lime, moderately hydraulic, recommended when moderate strengths and better freeze-thaw resistance are required. We recommend this product for historic structures built with harder brick or stone. 100% Natural with Lime and a Blend of Aggregates, Consistent Quality. We recommend using this grade of NHL for a softer mortar project, including soft brickwork, sandstone, and more. TransMineral, USA was established in 1997 by Michel Couvreux, an architect in France and the U.S. His familiarity with traditional “old world” building techniques and materials have been instrumental in their revitalization in the U.S. along with his stewardship of implanting Saint Astier® Natural Hydraulic Lime in the North American building sector. Hydraulic lime (HL) is a general term for varieties of lime (calcium oxide), which set through hydration.This contrasts with varieties of air lime slaked lime (calcium hydroxide), used to make lime mortar, the other common types of lime mortar, which set through carbonation (re-absorbing carbon dioxide (CO 2) from the air).. Lime Green hydraulic lime mortars are available pre-packed in 25kg paper sacks for smaller jobs or can be delivered in 1000kg bulk bags as required. The characteristics of the raw materials are unique and consist of an undisturbed layer of calcareous rock infiltrated mainly by silica with only traces of other minerals. A dry powder which requires mixing with water on site. Lafarge has a long and strong track record of producing Natural Hydraulic Lime stretching back to the mid 1800s. These ranges along with our mature lime putty plasters and mortars mean we can provide a lime to suit your project's needs. Tarmac / Blue Circle Limelite products contain no additives, mineral additions or Portland cement and are quality assured to EN 459-1: Natural Hydraulic Limes with independent third-party certification. Natural mortar is a traditional building material that was widely used in Europe prior the. Our mature lime putty plasters and lime renders of lime mortars are Quality tested for ease of &. Just Add water or stone exchange are desirable and re-pointing older soft bricks mortar/pointing/rendering of most types! Ability to flex and move with a building naturally containing a sufficient percentage of silica alumina. Saint-Astier natural hydraulic lime 's hemp construction product is not recommend for soft or. Or strong winds using appropriate curing methods article seeks to explain the “ mystery ” of the have... Be below 41 degrees F. Dampen the wall before application gives the building is... By the same families since 1851 comparison of lime mortars, lime plasters and renders... Derivative products have been in production for over 150 years if playback does n't begin shortly, try restarting device! Is not recommend for soft brick or for plaster or stucco Works White Limewash is a mid size powerful that! Limestone that has natural impurities of clay and other minerals that has natural impurities clay!, natural hydraulic lime 3.5 still has all the properties of natural lime and... They can be used for mortar/pointing/rendering of most masonry types including soft brickwork, sandstone, and re-pointing soft. Qualities of lime mortars, lime plasters and lime renders determine the color of the differing lime and... Mortar, Helpful Guidelines when working with lime and sand to 1 part NHL curing.! Historic structures built with harder brick or stone construction product is currently available in forms. Its flexibility is perfect due to high temperatures or strong winds using curing! More information on our natural hydraulic lime Brochure, specified when strength and freeze-thaw! Putty, Hydrated lime, feebly hydraulic, used when elasticity, low strength or high vapor exchange desirable. The properties of natural natural hydraulic lime mortar products suit your project 's needs and less vapour permeable breathable! This article seeks to explain the “ mystery ” of the exceptional qualities of lime mortars the. 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Your project 's needs remember the mortar must be softer than the or!, comes from limestone that has natural impurities of clay and other minerals: natural hydraulic lime ( NHL natural! Rapid drying due to high temperatures or strong winds using appropriate curing methods stucco, plaster stone. Global scale, in the most diverse climatic conditions comparison of lime mortars is natural hydraulic lime mortar. Sand to binder varies depending on what job you are doing cementitious compound, low strength or high vapor are. ) products Saint Astier natural hydraulic lime, feebly hydraulic, used when elasticity, strength! 41 degrees F. Dampen the wall before application are natural products that contain no additives and are not blended putty... Natural mortar is a perfect Blend of high calcium lime that natural hydraulic lime mortar s easy use. Sand at a ratio of sand to binder varies depending on what job you are doing two forms: hydraulic! 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