Meaning Airtightness
What does Airtightness mean? Here you find 3 meanings of the word Airtightness. You can also add a definition of Airtightness yourself

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Airtightness


Describes how well the building envelope resists air leakage and is measured in air changes per hour (ACH) at 50 pascals (ACH@50 Pa). The fewer air changes per hour, the more airtight the building envelope is. Equivalent leakage area (ELA) is another way of describing the airtightness of the building envelope. It represents the size of a single hol [..]
Source: nrcan.gc.ca (offline)

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Airtightness


Part L of the Building Regulations specifies maximum values for the air permeability of dwellings, commercial and public buildings. (see also: Refurbishment: Airtightness
Source: greenspec.co.uk

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Airtightness


The quality of being airtight.
Source: en.wiktionary.org





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