National Building Regulations and Building Standards Act, 1977 (Act No. 103 of 1977)

Any wall shall be designed and constructed to safely sustain any actions which can reasonably be expected to occur and in such a manner that any local damage (including cracking) or deformation do not compromise the opening and closing of doors and windows or the weather tightness of the wall and in the case of any structural wall, be capable of safely transferring such actions to the foundations supporting such wall.

[Regulation K1 substituted by regulation 93 of Notice No. R. 574 of 2008]