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

Regulations

Part L : Roofs

L1. General requirement
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The roof of any building shall be so designed and constructed that it—

(a) safely sustains 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 its functioning;
(b) is adequately anchored against wind uplift;
(c) is durable and does not allow the penetration of rainwater or any other surface water to its interior;
(d) does not allow the accumulation of any water upon its surface; and
(e) as part of a roof and ceiling assembly, provides adequate height in any room immediately below such assembly.

 

[Regulation L1 substituted by regulation 97 of Notice No. R. 574 of 2008]