# Building Regulations (Northern Ireland) 2000, Regulation C4: Resistance to ground moisture and weather

Extent: N.I.
Status: prospective

Every wall, floor and roof shall be constructed so as to prevent any harmful effect on the building or the health of the occupants caused by the passage of moisture to any part of the building from—
(a) the ground; and
(b) the weather.

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Source: https://www.legislation.gov.uk/nisr/2000/389/regulation/C4 (the official version)
Page: https://openlegislation.uk/building-regulations-northern-ireland-2000/regulation-C4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.