Let’s begin with hydrated. 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. Rising Damp Saint Astier Natural Hydraulic Lime and derivative products have been produced by the same families since 1851. Roundtower Natural Hydraulic Lime. ecoCORK is a product formulated exclusively with natural hydraulic lime binder and free from all cementitious content. Roundtower Limecrete Flooring System Initially designed to be used in the renovation of Cor Castle over 20 years ago. 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. There are many reasons for specifying and using Roundtower Natural Hydraulic Limes for restoration and conservation: Old and New - Roundtower Natural Hydraulic Limes are suitable for building restoration and conservation. Roundtower Natural Hydraulic Lime gives consistently high quality results. 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. The resulting material is ground, hydrated and carefully packaged. When limestone is burned to produce lime it releases CO2 gas. Crack Repairs Our range includes: Natural Hydraulic Lime, Lime Products, Lime Mortar, Sustainable Paint Systems, Training & More. Where the masonry is made up of a soft material. Please call us on +61 8 9371 3877 for quantity pricing. We offer a free inspection and quotation service. mortars and renders). Pure and natural hydraulic limes (NHL) have been in production for over 150 years. RoundTower Natural Hydraulic Building Limes are natural products for building restoration and conservation. 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. 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 … Roundtower Natural Hydraulic Limes are natural products. 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. Putty Lime (sieved 20mm mesh) – used for Render finish & Plaster set finish. Suppliers of Lime Mortar, Lime Plaster & Building Conservation Materials 01642 430 099. They contain no additives and are not blended. The most popular material for new build work, Another NHL 3.5 with the exception that it has a higher 'whiteness'. Being free from cement, it has good eco credentials as well as offering improved thermal performance. Compatibility & Suitability – variety of strengths and colours available to suit existing mortar, whatever age. Find Supplier It should not contain any additives such as pozzolans, gypsum, air entrainers, ash or cement. Our main offering is a lightweight, dry mixture of natural hydraulic lime and cork. They contain no additives and are not blended. Availability. We also stock an extensive range of natural paints, as well as natural insulation - All of which are breathable. There are three grades of Roundtower Natural Hydraulic Lime: NHL2, NHL3.5 and NHL5. Natural Hydraulic Lime, or "NHL" is a traditional material which combines some of the characteristics of ordinary lime with the more positive, through-setting characteristics of cement.It is produced by burning limestone that has naturally-occuring clay or silica impurities and then slaking to produce a fine powder. 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. Otterbein range of Natural Hydraulic Limes CALCIDUR® NHL 2, CALCIDUR® NHL 3.5 & HYDRADUR® NHL 5. Slaked Lime (unsieved) – used for Bricklaying, Rendering & Repointing. Feel free to download our booklet on Thor Helical Lime. Aesthetic – Indistinguishable from non-hydraulic lime mortars producing the same traditional appearance. Used for internal plastering and externally. Hydrated Lime. And is useful when colour matching mortars. Lime Industries offers a wide variety of quality lime products for the building, industrial, environmental and agriculture sectors. Welcome to London Lime London's leading supplier of lime for building, conservation & renovation. 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. Used mainly for masonry and external plaster works. 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. Shower & Bathroom Wall Sealing View the embedded image gallery online at: http://www.clpm.com.au/natural-hydraulic-lime#sigProIdb014209056. No additives - no need to add pozzolans, cement, plasticizers, water retainers or waterproofers. An NHL 2 (white), two NHL 3.5 (one white and one grey), an NHL 3.5 Premix and NHL 5 (bright). We can supply volumes large and small and can arrange worldwide delivery and export. They state that natural hydraulic lime is the product of burning and slaking limestone (or clay such as Lias clay). 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. Mixed with sharp sand, natural hydraulic lime produces a creamy lime mortar favoured by builders and plasterers alike. Natural hydraulic lime NHL 2 is the weakest strength natural hydraulic lime, suitable for most lime mortars, lime plasters and lime renders. The best prices for Natural Hydraulic Lime from industry leaders. There are three European classifications: NHL 2, NHL 3.5 and NHL 5 based on the compressive strength of laboratory mortars after 28 days. Millions of tons have been used successfully on a global scale, in the most diverse climatic conditions. For further technical information and SDS see www.singletonbirch.co.uk. Westox Lime is slaked for 14 days prior to sale. Paint Removal The burning process produces calcium oxide and calcium silicates and calcium aluminates. HEMPCRETE AUSTRALIA SUPPLIES THE FOLLOWING RENDERS: ROCKCOTE (Australian) has a range of Earthen Renders and Lime Renders which are made from pure ingredients and are free from synthetic additives and toxins. Limestone Cleaning Natural Hydraulic Lime NHL 5 is typically used for external works in exposed areas such as chimneys, copings, river and canal works. Mortar Pointing Roundtower also supplies Lime Putty. Available to buy in individual bags or in bulk. 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. Concrete Cancer Repairs Run Lime (sieved 40mm mesh) – used for Running Cornices In … 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 is the silica and trace elements that when burnt, become reactive with water and will cause an initial hydraulic … When compared with sole use of conventional fertilisers, the application of magnesium and calcium limes have long-term benefits. Lintel Replacement, Servicing Perth Metro and Rural Western Australia, Real Estate / Strata / Property Maintenance, download our booklet on Thor Helical Lime. Feebly Natural Hydraulic Lime. 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. All regions East Midlands East of England London North East England North West England Scotland South East England South West England Wales West Midlands Yorkshire and the Humber 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. 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). Lateral Damp Hydraulic lime Distributors Click the drop-down below to select the region you are interested in. IRL (+353): 021 477 6677 UK (+44): 01737 245 554 The Lime Professionals Based in Perth Western Australia, Lime Industries Pty Ltd was founded in 1976 and is the largest producer and distributor of lime putty in Australia. Choice - Roundtower has 5 different natural hydraulic limes. Brick Wall Alteration CLPM imports and distributes the Singleton Birch range of NHL 2, NHL 3.5 and NHL 5 into Australia. Roundtower Natural Hydraulic Limes are suitable for building restoration and conservation. This material is used in areas of high exposure such as in marine environments. We have worked alongside ThorHelical Australia in importing Roundtower Natural Hydraulic Limes into Australia and more importantly into Western Australia. Equally, they are well suited for new construction and as mortars, plasters, concrete and grouts. 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. 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. The EU norms (EN 459.1/2/3) on natural hydraulic lime (NHL). Mixed with a largely cork aggregate, this offers a lightweight, vapour permeable and environmentally friendly … Roundtower Natural Hydraulic Limes are recommended for mortars, plasters, concrete and grouts. ST ASTIER (Imported) manufactures EcoMortar Premixed natural hydraulic lime building mortars. For bulk prices, sales or for general info … CLPM imports and distributes the Singleton Birch range of NHL 2, NHL 3.5 and NHL 5 into Australia. It has therefore become common practice to add cement to Non-Hydraulic Lime mixes to ensure an early set. in the presence of water whilst Non-Hydraulic Limes remain reliant upon the slower carbonation or “drying” process to achieve their set. The introduction of substitute "pozzolanic" materials such as fly ash to non-hydraulic lime in order to promote hydraulicity has produced varied results. Natural hydraulic lime is used to make breathable durable lime mortars, lime plasters and lime renders for historic buildings and new buildings. Suppliers of Lime Mortar, Lime Plaster & Building Conservation Materials 01642 430 099 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. Lafarge NHL & St Astier NHL. Where the masonry is made up ... Roundtower Natural Hydraulic Lime 3.5: NHL 3.5. Brick and Mortar Restoration are now the State Distributor of Roundtower Natural Hydraulic Limes. Liming restores pH values and thereby unlocks the long-term productive potential of arable soils and grasslands. Equally, they are very suitable for new construction and engineering works. For further technical information and SDS see www.singletonbirch.co.uk Tuck Pointing 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. The problem that arises, particularly in areas of high erosion potential, renders and mortar prepared with non-hydraulic lime will tend to crumble and fail ahead of reaching their fully set hardness through the drying process. Natural Hydraulic Lime (NHL) is obtained by the calcination of argillaceous or siliceous limestone. Roundtower Natural Hydraulic Lime 2: NHL 2. Saint Astier® pure and natural hydraulic limes (NHL) have been in production for over 150 years. Natural hydraulic lime, is an odourless powder, when mixed with sand and water it becomes a binder for building applications (e.g. 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. Natural hydraulic lime or NHL, comes from limestone that has natural impurities of clay and other minerals. Natural hydraulic limes & non-hydraulic limes for conservation and new build. NHL 5. We Supply St Astier and Lafarge natural hydraulic lime conforming to EN459-1. Hydraulic limes therefore are those that will initially set (and re-set!) Please call us on +61 8 9371 3877 for quantity pricing. Stucco Render Easy to mix, lime for renovation, conservation and new builds. Lime Natural Hydraulic Lime (NHL) The modern builder's choice. 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