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The Tyvek® e-Guard W1 from DuPont has proven the perfect solution for when a suitable reflective breather membrane was required for the walls of a new housing development on the Cornish coastline.
The membrane, which was specified by Cornwall Timber Build, offers excellent low emissivity values, with the project benefitting from superb UV resistance while the membranes are uncovered, alongside improved airtightness, and all importantly, complete confidence in water hold out. A
The rigorous testing that Tyvek® has undergone ensure it can perform with consistency, as well as providing all the benefits that have been listed above.
The selling point of above W1 water hold out allows the Tyvek® e-Guard W1 to possess a unique position in the market. The site, at Cliff Road in Mevagissy is, as the name suggests, situated on high ground, resulting in it feeling the full brunt of the powerfully unpredictable Atlantic weather.
Stuart Dewey, of Cornwall Timber Build, talks about the thinking behind their product choice: “We knew that the location was classified as severe exposure. This limited our choice of breather membrane to those with a W1 or better water hold out.
“Most metallised membranes offer only a W2 (50mm water column) rating but Tyvek® e-Guard W1 is far superior.
“In fact, its 1.7m water head means that we can use this material all over Cornwall and the rest of the UK, in any type of geography, while meeting and even exceeding industry guidelines.”
The Mevagissy development features five 200 square metre plots, offering high quality timber frame homes, with external finishes varying between natural slate and block and render.
Eventual occupants will enjoy not only the beauty of their location, but also comfortable interior conditions and lower energy bills, even if the weather outside is travelling through Cornwall’s traditional extremes.
DuPont Protection Solutions
BBSP1
Bristol & Bath Science Park
Dirac Crescent
Emersons Green
Bristol
BS16 7FR
Phone: 08444 068 722
Technical enquiries: Tyvek.construction@dupont.com
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