- Truss assembly
- Roof boarding
- Installation of tiles
- Installation of roofing shingles
- Installation of metal roof tiles
- Seam sheet assembly
- Installation of flashing
- Soffit assembly
- Installation of heat-welded and underlay membranes
- Installation of the lightning protection system
- Installation of gutter systems
- Structural assembly
- Installation of windows and roof hatches
- Insulation of flat roofs
- Comprehensive roof renovation