General - Scope of moisture resistance guidance

This section gives guidance on the resistance to the passage of moisture from the ground and the resistance to the passage of moisture from the outside caused by the weather in relation to the following walls – (a) internal and external walls subject to the passage of moisture from the ground (see paragraphs 6.3 to 6.6); (b) external walls exposed to precipitation covering – (i) deflecting penetrating water to the outside (see paragraph 6.8); (ii) external solid walls (see paragraphs 6.9 to 6.12); (iii) external cavity walls (see paragraphs 6.13 to 6.17); (iv) framed external walls (see paragraph 6.18); (v) cracking in external walls (see paragraph 6.19); (vi) cladding systems for external walls (see paragraphs 6.20 to 6.30); and (vii) joint at doors and windows in external walls and door thresholds (see paragraphs 6.31 to 6.33). The definition of wall does not include windows, doors and similar openings, but includes the joint between their frames and the wall.