Knauf Insulation, the UK's leading manufacturer of insulation products, has teamed up with specialist sustainable development architect, the ZEDfactory and contractors Midas, for the production of Jubilee Wharf, Penryn, Cornwall, for the property developers, Robot Mother Ltd.
Knauf Insulation supplied 2,500m² of 100mm Rocksilk DriTherm Cavity Slab which was installed in three layers to the £3 million riverside development, which is intended to become a local hub for arts and crafts. It is a mixed use scheme comprising a nursery, bar/café, offices, live aboard facilities, external public spaces and landscaping, 12 rented workspaces and six residential units with external balconies. It features a wood pellet boiler and four wind turbines and is upgradeable to a Zero (fossil) Energy Development (ZED). The turbines will generate a proportion of the expected electrical demand whilst all the space heating and hot water will be met by solar thermal and the wood pellet boiler.
In keeping with the development and ZEDfactory's ethos of creating environmentally friendly buildings and the reduction of carbon emissions that are a cause of climate change, Rocksilk DriTherm Cavity Slab is free from CFCs, HFCs and any other material with ozone depletion potential in their manufacture and content and represents a true low environmental impact product.
Speaking about the Jubilee Wharf development and the installation of Knauf's Rocksilk DriTherm Cavity Slab, Wayne Tipton, site manager for Midas Contractors, commented: "In delivering buildings that potentially are Zero (fossil) Energy Developments at a future date it is important to get the performance of the building fabric correct. The use of mineral wool has been proven to be a cost effective, stable, environmentally friendly product compared to a range of other insulation choices. We required a life span of greater than 100 years and a U-value of 0.11, with all of these difficult demands, Knauf Insulation was ideally suited to meet these criteria."
Ian Boland, area sales manager at Knauf Insulation, said: "Finding a material with a low environmental impact was essential to this project. Thanks to the Midas' careful specification, and the incorporation of a two-part wall tie system as part of the design, we were able to deploy Rocksilk DriTherm Cavity Slab to great effect."
Wayne added: ""From our point of view, the material itself was really easy to work with and ticked all our boxes. The way Rocksilk DriTherm Cavity Slab is packaged meant it was easy to transport and store on site without becoming an obstruction. It ensured we could achieve the exacting U-values requirements in order that the development could meet the zero carbon aspirations of the client."
Rocksilk DriTherm Cavity Slab is odourless, rot proof, non-hygroscopic, does not sustain vermin and will not encourage the growth of fungi, mould or bacteria. It contains a water repellent additive to ensure that no liquid water is able to pass through the slab and reach the inner masonry and is dimensionally stable under varying conditions of temperature and humidity.
Lightweight and easily cut to size, Rocksilk DriTherm Cavity Slab is easy to handle and install. The Slabs are compression packed together in Knauf Insulation's innovative packaging method, Supakube, which uses advanced compression technology and strong packaging materials ensuring the product is easy to transport and store.
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