Airtightness

Page 1

Leaving Certificate Revision Notes

Airtightness

2 Common air leakage paths

Air leakage paths, which are commonly found in dwellings, can be easily avoided by careful design and good quality construction practice (Fig. 1).

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Figure 1 Potential air leakage paths (the numbered points in section 2.1 give a description for each path).

2.1 1

Descriptions of air leakage paths

Suspended floors (timber and concrete beam and block): 4

A practical guide to building airtight dwellings

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Gaps between floorboards or concrete blocks around the perimeter of the dwelling/junction between floor and walls.

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Large gaps left around services that penetrate through the floor (eg soil vent pipes).

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Gaps left between floorboards or blocks and also gaps around services (eg pipes and cables).

3

Window/door components:


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