43.41Level 4
Roofing activities
Explanatory note
This class includes:
- roof framing works
- installation of roof trusses
- external insulation of roofs
- laying of roof coverings
- installation of insulation in roofs
- waterproofing of roofs
- installation of drains, eaves gutters and rainwater pipes
- installation of roof lights and roof access hatches
- installation of snowguards on pitched roofs
- installation of roof safety equipment
This class excludes:
- internal insulation of roofs, see 43.23