Contractors can only undertake the relevant classes or items of minor works for which they have been registered.
Solid fence walls on a roof
Erection/Alteration
Class II
Erection/Alteration
- Height of the wall
1.1m - 1.5m - Thickness of the wall
≤ 100mm - Density of the wall
≤ 650kg per m3 - Aggregate length of additional wall per m2 of the roof area
≤ 0.3m - Thickness of the roof slab supporting the wall
≥ 150mm