30204020

Steel Use in Buildings

Applications by million tonnes
Windows & Doors3
Curtain Walls2
Roofing & Cladding4
Others2
11 million tonnes

6474548

Sources of Global
C02 Emissions by Sector

C02 gigatonnes by Sector
Buildings8.8
Industry9.9
Transport7.3
Other1.1
27.1 gigatonnes

f30508040

Proportion of Materials
Used in Building Elements

Building Elements by percentage
Superstructure / Substructure15
Exterior Envelope25
Building Services40
Interior Systems20