• Guidance to download
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Airtightness guidance to download

BSRIA has published a series of detailed documents explaining the Building Regulations, airtightness testing, specifying for airtightness and thermal imaging of building fabric.  Click on the following links to download guides:

Dwellings

• Airtightness testing for new dwellings
• ATTMA technical standard L1
• Thermal imaging of building fabric (2011 update)

Non-dwellings

• Airtightness testing for non-dwellings
• Airtightness specifications
• ATTMA technical standard L2
• Envelope integrity demonstration study 
• Thermal imaging of building fabric
• Floor void airtightness

Scotland

• Airtightness: Scotland - the essential guide to Section 6 of the 2010 Scottish Building Standards

Northern Ireland

• Airtightness testing for all buildings (N. Ireland)