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How much carbon dioxide is locked-up in a cubic metre of West Fraser’s SterlingOSB Zero?
14 May 2021

What does net carbon negative mean exactly?

Let’s start with carbon neutral. Simply put, this means that an activity releases net zero carbon emissions into the atmosphere. The next best thing is net carbon negative! This means that an activity goes beyond achieving net zero carbon emissions to actually create an environmental benefit by removing additional carbon dioxide from the atmosphere.

West Fraser has taken a number of steps to reduce its carbon footprint. For example, SterlingOSB Zero is the only UK-manufactured oriented strand board with zero added formaldehyde (ZAF). The resin binder used instead, methylene diphenyl diisocyanate (poly-urethane MDI), requires less heat energy to cure. Combining all of the measures taken by West Fraser in Europe, each cubic metre of SterlingOSB Zero sequesters (locks-in) 1,182 kg of CO2.

It is easy to visualise 1m3 of OSB but what about a tonne of CO2? Consider this time next time you make a cup of tea: to emit the same 1017 kg of CO2 as is sequestered in 1m3 of SterlingOSB Zero, you would have to boil a kettle 50,850 times!

For further information, please visit our  Net carbon negative page.

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