f30508040
Proportion of MaterialsBuilding Elements by percentage
■Superstructure / Substructure15
■Exterior Envelope25
■Building Services40
■Interior Systems20
Steel Use in Buildings
Applications by million tonnes
■Windows & Doors3
■Curtain Walls2
■Roofing & Cladding4
■Others2
11 million tonnes
Top 5 Sources of
Industries by percentage
■Cement24.9
■Steel1.85
■Plastic0.35
■Paper0.42
■Aluminium0.24
9.85 gigatonnes