Approved Document C


    Site preparation and resistance to contaminants and moisture…

    The aim of Part C is to ensure the health and safety of the building’s users with regard to the effects of pollution and contaminants. In addition, emphasis is given to resistance to moisture in terms of providing a barrier against ground water and the weather.

    This current reprint of Approved Document C – Site preparation and resistance to contaminates and moisture, incorporates amendments made to the 2004 edition. This includes the July 2013 amendments that came into force on 1 October 2013. This reprint further incorporates editorial corrections and amendments.

    To view the document – click on the link below:



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