28955 1 came into operation 17 june 1991.
Sa building regulations roofing.
6 june 1991 p.
A qualified roofing contractor will be able to advise on this but here are some of the main guidelines.
When installing or repairing a flat roof you must adhere to building regulations.
9 december 1993 p.
There must be a slope of 1 80.
If the existing roof covering is to be replaced with a different material to its original for example slate to tiles then approval under the building regulations is likely to be needed to ensure the roof will be adequate in terms of structural stability applicable where the replacement tile will be significantly heavier or lighter than the.
When performing work on any roof care should be taken to ensure the roof will continue to perform effectively and without any movement.
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The materials used to cover the roof should be durable and capable of resisting the elements of the weather.
4 june 1992 p.
Movement could cause cracks to occur in the walls and possibly the eventual collapse of the roof.
17891 as varied by no.
19 december 1991 p.
Various updates have been made since this time and these are also available for download.
When the south african national building regulations were updated by the department of trade and industry in may 2008 the general requirement relating to roofs was changed to incorporate certain safety elements.
Building regulations as they apply to roofs part l.
This is the original legislation published in 1977 that governs all building and construction work in south africa.
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Design planning and supervision of all construction work must follow a legal process.
Each section of sans 10400 the code of practice for the application of the national building regulations nbr is presented with the relevant extract from the building regulations which is law and is then followed by a general commentary explaining how the law should be interpreted to satisfy the law.
Guide for architects concerning drainage water and storm water drainage.
To enable compliance with the requirements of the building regulations to be demonstrated full details of the new roof will be needed including materials and their dimensions and performance properties.
Regulations under the building act 1971 building regulations 1991 being no.
The removal or alteration to any roof elements could affect how the roof works and cause movement to occur.
The national building regulations and building standards act.