Materials

GWP broken down by the building products’ material category, as a bar chart.

Element	Meaning
Unit	Per m²/year, per m² or total, or as a share (percent). Choosing Weight (kg) instead shows the building products’ weight rather than GWP
Main group, middle group, sub group	The material category’s three levels
“Unknown”	Building products without a material category are collected here — also shown as a share of the total (regardless of the chosen unit)

See also

• How to choose the right building product — why a building product’s material category matters