Guidance on the building regulation requirements on ventilation.
Documents
Approved Document F: volume 1 , file type: PDF, file size: 910 KB
PDF
910 KB
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Approved Document F: volume 2 , file type: PDF, file size: 488 KB
PDF
488 KB
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Details
You must also refer to amendments to this document:
Amendment slip: amendments to Approved Documents September 2013