Description
Job holders in this unit group cover roofs and exterior walls with felting, sheeting, slates, tiles and thatch to provide a waterproof surface.Main Tasks
- Measures roof or exterior wall and calculates required amounts of underfelt, tiles, slates or thatching material;
- Cuts wooden battens, felt and underfelt to required size;
- Lays and secures underfelt and covers with hot bitumen or other adhesive compound;
- Lays, aligns and secures successive overlapping layers of roofing material;
- Seals edges of roof with mortar and ensures that joints are watertight.