Where the masonry is made up ... Roundtower Natural Hydraulic Lime 3.5: NHL 3.5. ecoCORK is a product formulated exclusively with natural hydraulic lime binder and free from all cementitious content. Brick and Mortar Restoration are now the State Distributor of Roundtower Natural Hydraulic Limes. Lintel Replacement, Servicing Perth Metro and Rural Western Australia, Real Estate / Strata / Property Maintenance, download our booklet on Thor Helical Lime. Equally, they are very suitable for new construction and engineering works. When limestone is burned to produce lime it releases CO2 gas. Equally, they are well suited for new construction and as mortars, plasters, concrete and grouts. Roundtower Natural Hydraulic Limes are recommended for mortars, plasters, concrete and grouts. It is the silica and trace elements that when burnt, become reactive with water and will cause an initial hydraulic … Roundtower Natural Hydraulic Lime. Shower & Bathroom Wall Sealing The burning process produces calcium oxide and calcium silicates and calcium aluminates. NHL 5. Essentially, as its name suggests, Natural Hydraulic Lime (NHL) is a naturally occurring lime material generally associated with building conservation or as a green, eco-building material. If you are working on a larger project, or a commercial development then we can mix mortars to your specific requirements and arrange silo storage for extra on-site convenience. Providing a faster and harder finish. Concrete Cancer Repairs The best prices for Natural Hydraulic Lime from industry leaders. Mixed with a largely cork aggregate, this offers a lightweight, vapour permeable and environmentally friendly … The most popular material for new build work, Another NHL 3.5 with the exception that it has a higher 'whiteness'. Limelite Natural Hydraulic Lime 3.5 is breathable, making it suitable for general purpose mortar work including pointing and rendering on most types of masonry.Limelite Natural Hydraulic Lime 3.5 is breathable, making it suitable for general purpose mortar work including pointing and rendering on most types of masonry. RoundTower Natural Hydraulic Building Limes are natural products for building restoration and conservation. Feel free to download our booklet on Thor Helical Lime. Choice - Roundtower has 5 different natural hydraulic limes. Lafarge NHL & St Astier NHL. 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. No additives - no need to add pozzolans, cement, plasticizers, water retainers or waterproofers. Whilst this may be suitable for use with current-day hard-fired bricks, the addition of cement to lime mortars makes them much harder and impervious to moisture transfer. We stock an extensive range of lime products, including natural hydraulic lime, lime mortar, lime putty, lime plaster/render and much more. Aesthetic – Indistinguishable from non-hydraulic lime mortars producing the same traditional appearance. Natural Hydraulic Lime (NHL) is the traditional lime in powdered form. Our background is trade, as a company with over 25 years of experience supplying lime based materials we were originally created as a means to supply our previous contracting company. You can expect the following from the team at Brick and Mortar Restoration - friendly advice from professional tradesman, accurate and concise quotations, no pushy salesmen, fast and efficient work, site left clean and tidy on completion. Lime Industries offers a wide variety of quality lime products for the building, industrial, environmental and agriculture sectors. Roundtower Natural Hydraulic Lime 3.5 White: NHL 3.5 White. For further technical information and SDS see www.singletonbirch.co.uk. Our main offering is a lightweight, dry mixture of natural hydraulic lime and cork. Available to buy in individual bags or in bulk. They contain no additives and are not blended. Hydraulic Lime (NHL) NATURAL HYDRAULIC LIME (NHL) is produced by burning and slaking limestone which is quarried with a proportion of silica and trace elements. The resulting material is ground, hydrated and carefully packaged. Used for internal plastering and externally. Natural hydraulic limes & non-hydraulic limes for conservation and new build. Stucco Render Lime Natural Hydraulic Lime (NHL) The modern builder's choice. An NHL 2 (white), two NHL 3.5 (one white and one grey), an NHL 3.5 Premix and NHL 5 (bright). HSR is the sole Australian distributor for Roundtower products for the supply of hydraulic limes and other lime products to the conservation and restoration industry. The set of Non-Hydraulic Lime such as that produced locally in Western Australia, is dependent upon “carbonation” which takes place much more slowly only as the material dries over a period of months. Please call us on +61 8 9371 3877 for quantity pricing. Mortars made with natural hydraulic lime gain strength by a combination of hydraulic setting and carbonation The lower strength and greater permeability of natural hydraulic lime mortars when compared with cement-based mortars is particularly suitable for … Welcome to London Lime London's leading supplier of lime for building, conservation & renovation. If you would like a Quotation on a Heritage Project or would just like to purchase some bags of NHL, give us a call today 1800 MORTAR (667827), Used for internal plastering and externally. Availability. CLPM imports and distributes the Singleton Birch range of NHL 2, NHL 3.5 and NHL 5 into Australia. Suppliers of Lime Mortar, Lime Plaster & Building Conservation Materials 01642 430 099. Used mainly for masonry and external plaster works. When compared with sole use of conventional fertilisers, the application of magnesium and calcium limes have long-term benefits. The resultant entrapment of water within the softer material of older bricks and stone masonry units such as limestone or sandstone then promotes their eventual decay by de-crystalisation. Natural hydraulic lime NHL 2 is the weakest strength natural hydraulic lime, suitable for most lime mortars, lime plasters and lime renders. Natural hydraulic lime, is an odourless powder, when mixed with sand and water it becomes a binder for building applications (e.g. Hydraulic limes therefore are those that will initially set (and re-set!) This material is used in areas of high exposure such as in marine environments. IRL (+353): 021 477 6677 UK (+44): 01737 245 554 Find Supplier Roundtower Natural Hydraulic Limes are natural products. Limestone Cleaning View the embedded image gallery online at: http://www.clpm.com.au/natural-hydraulic-lime#sigProIdb014209056. Being free from cement, it has good eco credentials as well as offering improved thermal performance. The term “hydraulic” as it applies to lime materials, relates to their capacity to set by “hydrolysis” in the presence of water vs. “carbonation” reaction with CO2 from the air that occurs more slowly over a period of weeks or even months as the material dries. It sets hydraulically, curing much faster than non-hydraulic lime. Please call us on +61 8 9371 3877 for quantity pricing. This gives the user the widest choice of material... Natural - Roundtower Natural Hydraulic Limes are natural products. The Traditional Lime Company's founder Edward Byrne has supplied materials for historic buildings for over 40 years, offering a full range of products and advice for building conservation & restoration as well as eco & new building projects in Ireland. Westox Lime is slaked for 14 days prior to sale. Mortar Pointing Feebly Natural Hydraulic Lime. What remains is a highly alkali “quicklime.” Quicklime alternatively known as “hot” lime is extremely reactive with water and can be dangerous to handle, transport or work with although it has its construction uses for experienced traditional masons and plasterers. Millions of tons have been used successfully on a global scale, in the most diverse climatic conditions. Modern research has however delivered a greater understanding as to the unique properties of these traditional materials and their practical application in both restorative and modern construction. Its use dates back to the times of the ancient Egyptians, Greeks and Romans but declined during the 19th century with the emergence of Ordinary Portland Cement (OPC). 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. CLPM imports and distributes the Singleton Birch range of NHL 2, NHL 3.5 and NHL 5 into Australia. Hydrated Lime. It should not contain any additives such as pozzolans, gypsum, air entrainers, ash or cement. Saint Astier Natural Hydraulic Lime and derivative products have been produced by the same families since 1851. 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. 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