PV48 Innovative Design Sandtoft’s PV48 solar system integrated with natural slate.
Roof performance The Sandtoft PV48 solar system has been designed by roofing experts to integrate into most slate and tile roof coverings. The system has been designed in the UK and has been rigorously wind tunnel tested to ensure it is extremely resistant to UK weather conditions. The system is integrated with the roof tiles or slates, rather than installed over the top of the roof covering, so it does not increase the roof weight loading. On new build or re-roof projects, it saves the cost of the roof tiles it replaces. Because the PV48 integrates with the tiling there are no brackets or cables penetrating the roof covering, further reducing the risk of water ingress.
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Solar roofs generate electricity from daylight; intense sunlight is not necessary. The UK is a perfectly suitable location for solar roof power generation. UK irradiance levels currently stand at 1000 W/m2/year for London, with a range of 800 W/m2/ year to 1000 W/m2/year across the UK; similar in fact to irradiance levels in Germany and the Netherlands.