38 INTERIORS Icynene spray foam insulation for high-end new-build
E
xceptional thermal performance and low running costs were key criteria for the construction of a 3000sq ft, new-build
home in rural North Yorkshire. Designed for a private client by Harrogate
Architects, Townscape, the high specification property was built in the style of a barn on a spacious, level site, formerly occupied by redundant farm buildings. Practice Head and Project Architect, Nick
Silcock takes up the story. “Planning required that the site was developed to reflect the tradi- tional look and feel of a farmstead with an open courtyard area bordered by buildings that sat comfortably with the rural vernacular” Whilst delighted with the old-world,
barn-style of architecture created by Townscape, their clients required a much more up to date treatment for the construction methods and long-term performance of the building – particularly relating to thermal efficiency and low running costs. Townscape looked at various structural solutions and decided on a hybrid, timber frame arrangement with an additional blockwork inner leaf to the gables. An outer leaf of coursed natural stone in a pale buff/rose shade with sawn stone dressings, together with a blue slate roof was specified - a style common to the village. Air tightness and exceptional levels of thermal insulation were also required as the
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clients were keen to minimise running costs and achieve a low carbon footprint. Townscapes solution was provided by careful attention to construction detailing and the innovative use of a spray applied insulation system from Icynene. Icynene is a high performance, spray foam
insulation applied using a pressurised gun system. Foams are sprayed as a two-component mixture that come together forming a foam that expands 100-fold within seconds of application, sealing all gaps, service holes etc According to Icynene, traditional forms of
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