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Vapour Permeable Membrane Provides Airtightness and Energy Efficiency

TCL Hunt building products has introduced the Proctor Passive Wraptite SA, self-adhering, vapour-permeable, airtight membrane to help increase the energy performance of buildings.

Increasing focus on emissions reduction and energy efficiency has led to the development of specialist construction membranes aimed at reducing energy use by limiting air leakage. In buildings, air leakage is the uncontrolled flow of air through gaps and cracks in the building envelope. It can significantly impact the energy performance of a structure and heat loss as much as 10% of total heat consumption

The Wraptite membrane has been developed to provide a simple and robust solution to the challenges of reducing air leakage.

Proctor Passive Wraptite SA offers a compelling combination. This high-performance air barrier solution can be employed on projects from domestic scale timber frame to large steel-framed high rise and everything in between.

Wraptite’s high vapour permeability (0.243 MN s/g tested to ASTM E96 Procedure B) means any construction moisture can dry out rapidly, reducing the likelihood of mould, mildew, and condensation. This ensures the building fabric remains as healthy as the indoor environment. It also allows flexibility in the placement of the air barrier, meaning it can be moved outwards in the construction without risking trapping moisture.

Internal air barriers can be complex and costly to install due to the need to accommodate building services such as electrical, lighting, heating and drainage systems. In comparison, positioning an air barrier on the outside of the structure frame simplifies the process of maintaining the envelope’s integrity, as there are fewer building services and structural penetrations to be sealed.

The application of the self-adhesive Wraptite system has proven really easy to use, and quick to apply, with no requirement to return for additional fixing or accessories.

The Wraptite system helps ensure 'as-designed' performance, narrowing the performance gap between as-designed and actual energy performance.

View more information on DriSpace, including contact details.
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August 2019 EBOSSNOW Product News

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