Passivhaus is a low energy construction standard where the building requires very little energy for heating or cooling. To achieve this, the building must have excellent thermal performance with exceptional airtightness. The UKs first permanent Passivhaus show house, has been built by Potton using the Kingspan TEK® Building System. It joins four existing show homes at their Self Build Show Centre in St Neots and utilises Wraptite-SA (Self-Adhered) air barrier membrane, supplied by the A. Proctor Group. Wraptite-SA is both vapour permeable and airtight, combining two important properties in one BBA certified solution for wall and roof applications. It’s unique vapour permeability allows the air barrier to be positioned externally, leading to a faster and more robust installation, with fewer penetrations for building services and structural elements.
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