| CCB | CEN Certification Board |
| CEN | Comité Européenne de Normalisation |
| CG | Cellular Glass |
| EEA | European Economic Area |
| EFTA | European Free Trade Association |
| EN | European standard |
| EPB | Expanded Perlite Board |
| EPS | Expanded Polystyrene |
| EU | European Union |
| FPC | Factory Production Control |
| ICB | Expanded Cork Board |
| ITT | Initial Type Testing |
| LWA | Light weight aggregate products |
| MW | Mineral Wool |
| PF | Phenolic foam |
| prEN | Draft European standard |
| PUR | Polyurethane foam |
| SDG | Scheme Development Group |
| TC | Technical Committee |
| WF | Wood Fibre |
| WW | Wood Wool |
| XPS | Extruded Polystyrene |