7.1.3 Flat roof, terrace and balcony general design
The flat roof, terrace and balcony construction should suit the design and intended use.
The design of the flat roof, terrace (including podium or balcony) should adopt one or more of the following forms of construction.
Note(s)
The suitability of any combination of deck, insulation, Blue Roof attenuation and roof toppings will depend on the structural loadings and the capability of the deck and insulation to safely support those loads in accordance with the structural engineer’s design.
Figure 1: Individual reinforced concrete (RC) elements
Figure 2: Warm roof
Figure 3: Cold roof
Figure 4: Inverted warm roof
Figure 5: Uninsulated roof deck construction
Figure 6: Roof toppings
Figure 7: Paving
Roof, terrace and balcony constructions using the individual elements
Figure 8: Uninsulated decks
Figure 9: Warm roof construction
Figure 10: Inverted warm roof construction
Figure 11: Cold roof construction
Figure 12: Blue Roof make-up
Last updated: 2nd January 2025