CONCRETE & CEMENT
CHOOSE THE CORRECT NATURAL HYDRAULIC LIME BINDER FOR YOUR PROJECT FROM A COMPREHENSIVE RANGE BY SMET BUILDING PRODUCTS LTD… Sustainablemortar solutions fromSMET
S MET Building Products Ltd supplies a comprehensive range of sustainable, high-quality natural hydraulic lime (NHL) based mortars. The advantages of using NHL-based mortars over cement-based mortars are apparent from decades of experience and research. To begin with, the manufacture of limes or NHLs consumes less energy and produces less greenhouse gases than that of Portland cement per unit weight.* Lime-based mortars also offer a range of advantages from a design perspective. Walls have improved ‘breathability’ to water and water vapour, which reduces the likelihood of frost failure of the unit materials and improves the internal living environment. Walls built with lime-based mortars have more tolerance to movement caused by thermal and moisture action, while movement within masonry walls built with lime-based mortars can be accommodated in the individual bed joints between the masonry units, reducing the need for vertical movement joints. Finally, lime-based mortars are capable of self-healing microscopic cracks by plastic flow and diffusion and are less susceptible to sulphate attack, providing all-round consistently high-quality results. The SMET Professional range of quality NHL is backed up with the expertise of a technical advisor. SMET is site focused, providing customers with industry specialists who will provide training, demonstration and support in the application of professional NHL materials. The range includes pre-mixed renders and plasters for traditional hand or modern machine application and EN 459-1 compliant SMET NHL 2, SMET NHL 3.5 and SMET NHL 5 Natural Hydraulic Lime binders for conservation, repair and sustainable new builds. The CE-marked, pure NHL binders are produced under an ISO 9001:2008 and ISO 14001:2004 quality system to EN 459-1. They can be sourced nationwide from any Haldane Fisher branch, closely supported with detailed technical advice and aftercare by Newry-based SMET Building Products Ltd. The range of NHL binders includes:
Pointing is easy with SMET NHL in old and historical buildings.
SMET NHL 2 The feeble hydraulic strength
build, restoration and preservation works in extreme weather environments and exposed areas. Its special composition allows the mortar product to breathe and permits constant hygrometric exchange between the substrate and the environment. PROJECTS SMET NHL 3.5 binder was selected for the recent restoration works of the beautiful, historic Donegal Parish Church; the Old Athletic Stores Building in Belfast; the restoration and repair of Dechomet Cemetery Moneyslane and the repair of Belfast Church Boundary Wall. Applied by SMET’s Supported Partner, Rainey Restoration Ltd, the stone experts used SMET NHL 3.5 - to produce a superior-quality lime mortar. For more NI restoration case studies, visit: ww.smetbuildingproducts.com/ projects/ *Source: nhbcfoundation.org based on De Vekey, 2005.
development of NHL 2 makes it ideal for producing lime mortars for masonry work, rendering, plastering base coats and finish coats. It is ideally suited for interior and exterior use on weak structures - particularly ecological new build, restoration and preservation works. The mortar’s special composition allows it to breathe and permits constant hygrometric exchange between the substrate and the environment.
SMET NHL 3.5 The moderate hydraulic strength
development of NHL 3.5 makes it suitable for producing lime mortars for masonry work, rendering, plastering base coats and limecrete for ecological new build, restoration and preservation works. Its special composition allows the mortar product to breathe and permits constant hygrometric exchange between the substrate and the environment.
SMET NHL 5 The eminent hydraulic strength development of NHL 5 makes it
T: +44 (0)28 3026 6833 E: info@smetbuildingproducts.com www.smetbuildingproducts.com
preferable for producing lime mortars for masonry work, rendering, plastering base coats and limecrete for ecological new
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