|SMET NHL 3.5 Binder was specially selected for the external restoration & re-plastering of this period home by Smet Supported Partner, Fintan Farrell Conservation. SMET NHL 3.5 is a high quality pure Natural Hydraulic Lime binder, produced under an ISO 9001:2008 and ISO 14001:2004 quality system to EN 459-1. The moderate hydraulic strength development of SMET NHL 3.5 makes it suitable for producing lime mortars for masonry work, rendering, plastering base coats and limecrete. As SMET NHL 3.5 is a moderately hydraulic lime binder, used for the production of mortars, it’s particularly suited for ecological new build, restoration and preservation works. The product’s special composition allows the mortar product to breathe and also permits constant hygrometric exchange between the substrate and the environment. As a result, the building retains its historical character befitting its age.Another show case of sympathetic historic building restoration, using top quality NHL products available from Newry based, Smet Building Products Ltd. The range of NHL products, combined with exceptional technical support and aftercare provided by SMET, are key drivers in the selection of their conservation systems. ISO 9001 and ISO 14001 accredited Smet Building Products Ltd, demonstrating – once again – best practice in supporting their selected partners.