The 250mm curb is significantly lower than the 470mm curb at the same
level as a rainwater channel is provide along the curb to drain water away.
Legend :
- 15mm thick ( 25mm thick for deck ) cement sand screeding
- Roof and deck sheating felt
- 20mm thick mastic asphalt
- Wire mesh
- 25mm thick waterproof cement sand screeding
- 35mm thick precast concrete tiles roof finish
- 75x75mm cement sand fillet
- Roof slab
- Cement concrete curb
- Roof surface channel
- 45x145mm unglazed extruded facing tile finish
