What is the carbon footprint of a PUF sandwich panel?
Most of it comes from the steel skins and the polyurethane foam, made from MDI and polyol. The blowing agent matters too: HFC blowing agents are strong greenhouse gases, while hydrocarbons such as cyclopentane are not. Ask suppliers for each, then add your press and curing energy per square metre.
What to include
- Coated steel or aluminium skins, by weight.
- Polyol and MDI, by weight.
- Blowing agent type and quantity, including any released during foaming.
- Press, heating and curing energy.
Why the blowing agent matters
HFC releases during foaming count in your Scope 1. Ask buyers whether they want the agent named in the declaration.
What Senseible does here
Senseible reads bills, fuel invoices and production records into dated, fingerprinted records, so the figure you send a buyer can be traced to its documents.
Sources: IPCC AR6 Working Group I, GHG Protocol standards, including the Product Standard, GHG Protocol Corporate Standard
Last reviewed 2026-10-22.