by C Scivyer BRE (13-Nov-2012)
This Good Repair Guide offers guidance to builders and homeowners carrying out installation works to increase ventilation under suspended ground floors. It covers the installation of both natural and mechanical (fan-assisted) ventilation to underfloor spaces. Advice is also given on system maintenance and what to do if a system fails to adequately reduce radon levels.
This Good Repair Guide is Part 1 in a 3-Part set and replaces the guidance given in BRE Report BR 270. Parts 2 and 3 cover positive house ventilation and sump systems.
Contents:
Background
-Radon
-Improving underfloor ventilation
-Suspended timber floors
-Suspended concrete floors
Solutions for improving underfloor ventilation
-Increasing natural underfloor ventilation
-Providing mechanical ventilation
Additional points to consider when improving underfloor ventilation
Checking that the improved ventilation works and continues to work
-What to do if it does not work
-Troubleshooting for underfloor ventilation
Maintenance
Further information
References
A4 8pp
9 line drawings, 14 photos
Related publications:
Radon protection for new domestic extensions, dwellings and large buildings : Good Building Guides 73, 74 and 75 (2014 editions)(AP 307) DOWNLOAD
Radon solutions set: Good Repair Guides 37/1, 37/2, 37/3 and 38 (AP 308) DOWNLOAD
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C Scivyer BRE
13-Nov-2012
978-1-84806-300-6
GR37/1, GR37-1, GR37_1 Underfloor ventilation, flooring, fans
BRE Electronic Publications
