EPD - Proteus Pro-Therm PIR Foil Proteus Waterproofing Valid until 04/01/2026Provided by BRE (Building Research Establishment)Date of first issue: 05/01/2021 Date of last issue: 15/01/2021 Expiry date: 04/01/2026 Download +44 (0)1268 777871 Website Contact manufacturer