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Air Tightness Strategy
- Identify the line of the air barrier at an early stage of design.
- Refer to airtightness in all contracts which impact on the air barrier.
- Specify and select airtight components.
- Inform the site management team of the location and importance of the air barrier.
- Explain to site operatives the critical importance of airtightness.
- Check air barrier completeness before it becomes impossible to access.
- Schedule an airtightness test by a competent body well in advance.
- A pre – test visit to site by the testing body is recommended for larger sites.
- Ensure all airtightness works are complete.
- Contractor to have responsibility for sealing vents and open flues, closing trickle vents, external doors and windows in preparation for an airtightness test.
- Airtightness test carried out and results issued.
- Results submitted to Building Control/client by contractor.
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