- Seals edges of roof with mortar and ensures that joints are watertight.
- Lays, aligns and secures successive overlapping layers of roofing material.
- Lays and secures underfelt and covers with hot bitumen or other adhesive compound.
- Cuts wooden battens, felt and underfelt to required size.
- Measures roof or exterior wall and calculates required amounts of underfelt, tiles, slates or thatching material.