This report is one of a series giving practical advice on methods of reducing radon levels in existing dwellings. It is intended to help surveyors, builders and householders who are trying to reduce indoor radon levels by positive pressurisation. The report is based on a large body of remedial work carried out to advice from the Building Research Establishment (BRE), and on discussions with others working in the field. The measures it describes are applicable, in principle, to all dwellings and similar buildings.
This report gives guidance for reducing the presence of radon in new dwellings, and hence reducing the risk to occupants of exposure to radon. Interim guidance was first issued by the Department of the Environment in June 19881. Since that time much experience has been gained of its application in practice. This report has been prepared to build on the experience gained and to provide a more comprehensive explanation of the principles involved. It provides practical details on methods of protecting new dwellings
This report is one of a series giving practical advice on methods of reducing radon levels in existing dwellings. It deals specifically with dwellings, and supplements the general guidance given in The householders' guide to radon 1, obtainable from local environmental health officers or from the Department of the Environment. This report offers advice on radon-protective measures that can be taken during the planning and implementation of major alteration or conversion works to a building in radon-affected areas.
This report is one of a series giving practical advice on how to reduce indoor radon levels in existing dwellings. Its specific subject is radon remedial measures for houses with suspended timber floors. These measures can also be used with other types of suspended floor, although they are not relevant to timber finishes laid directly onto concrete bases. The report is aimed at builders who carry out radon remedial work and householders who are competent at D IY.
The National Building Code 1985 identified the need to control movement of air through the exterior walls of buildings. The upcoming 1995 National Building Code has now placed recommendations on the amount of allowable leakage.
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