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Roofing Tyvek®


Supro at the Jamaica Inn: Reliable resistance for a windswept cultural icon


There are few more dramatic locations than the historic Jamaica Inn on windswept Bodmin Moor in Cornwall. Made famous by the eponymous Daphne Du Maurier novel and various screen adaptations, the former coaching stop has a rich history ranging from smuggling to alleged hauntings, and is now a popular hotel and museum. So successful is the venue, however, that it has outgrown the original 1750 stone structure and builders AD Williams have been commissioned to create a new 16-room extension at its eastern end.


Situated at a height of 280m above sea level, the Jamaica Inn is exposed to some of the most extreme weather conditions in the UK, as the wind- farming installations on Bodmin Moor attest. Naturally such a challenging location, combined with need to match the heritage architects, means the project demanded just the right expertise - in design, product choice and installation.


When Heritage Roofing South West was contracted to apply a matching slate roof to the extension, it was clear that only a reliable membrane offering unrestricted compliance with BS5534:2014 would suffice. Accordingly, 225 square metres of DuPont™ Tyvek®


Supro were applied


as a robust, high-performance underlay. David Boyd of Heritage Roofing says, “I’ve looked into the latest version of BS5534 and I knew that not all membranes comply when you consider what the standard actually requires. Having the wind uplift resistance figure easily available, something you rarely see, made the choice of Tyvek® to make.”


Straightforward to handle Tyvek®


underlay available. Recent tests show that, thanks to the materials unique 170 micron functional layer, Tyvek®


Supro is also the most durable roofing continues to perform for well after


twenty years’ installation, whereas multi-layer products often lose the capacity to hold out water, and some fail after less than five years on the job.


The many advanced properties and benefits of Tyvek® mean that the


membrane meets all the requirements of Building Regulations (Part L & C) but also BS5534:2014, in all zones, altitudes and conditions, thus making it the clear choice for wind, water and air management for long term peace of mind. This reliable performance comes together with carefully researched and clear guidelines, extensive experience and renowned service, further enhanced by the development of a unique calculation tool for more easily specifying membranes that comply with BS5534.


DuPont™ Tyvek® advanced building membranes are unique in the market due to their high-quality single layer construction. Tyvek® , in all its


specialised versions, is naturally vapour open but also durably wind and water-tight. Lightweight yet robust, it is easy to install and offers long- term, proven reliability. Designed to protect the building envelope against the effects of weather and moisture, the family of membranes also offers optimal air tightness and can help to improve the thermal performance, energy-efficiency and interior climatic stability of a building.


Tyvek®


is also designed to work as part of a holistic and optimal system with a range of other proven DuPont products for the building envelope, including the DuPont™ AirGuard®


advanced AVCL series, the highly


versatile DuPont™ FlexWrap tape, plus other specialised tapes and sealants. All DuPont building products come with the renowned service, expertise and technical back-up of a world-class science company.


Supro an easy one


DUPONT


TEL: 01275 337660 13


WWW.CONSTRUCTION.TYVEK.CO.UK


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