It must be done properly to ensure that the building is structurally sound and weathertight.
What does restricted building work affect?
Restricted building work involves or affects:
Primary structure of the building
This includes the resistance of:
- vertical loads such as walls and columns, and
- horizontal loads such as foundations, floors and roofs.
Outside of the building
This includes anything that prevents outside moisture entering the building and helps to control moisture inside the building fabric.
Examples of restricted building work
Examples of restricted building work include:
- damp-proofing the floor area, on and underneath floors
- installing roof and wall cladding systems (windows, ventilators, openings and penetrations etc.)
- waterproofing anything that’s exposed to airborne moisture or can allow moisture to enter a building, such as a balcony
- designing systems to protect people and property from fire.
Restricted building work on building.govt.nz