Axter Excel
Axter’s flagship reinforced bitumen waterproofing system, made with their Alpa polymeric binder. BBA 94/3037 PS1; laboratory-tested durability in excess of 60 years; 30-year insured guarantee.

Carbon and evidence
Product Evidence
Evidence currently held for the Axter product record.
Recorded Carbon Result
No quantified carbon result held
Request a current product EPD or manufacturer carbon declaration.
Environmental Product Declaration
EPD expired- Coverage
- Coverage not confirmed
- Declared unit
- 1 m² installed roof waterproofing with flexible bitumen sheets per year of use, reference service life 35 years
- Programme
- The International EPD System (EPD International AB)
- Registration
- EPD-IES-0000414:006 (S-P-00414)
- Standard
- EN 15804
- Valid until
- 2026-07-07 · expired
- Verification
- Third-party verified
EWA sector average across 43 European plants — UK plants not among the participants, and the EPD itself calls the declared product "an average that is not available for purchase on the market". Expired 7 July 2026 with no successor as of 8 Aug 2026, so no figure is recorded.
Service Life — the B4 Replacement Input
60 years · manufacturer declared
≈1 installation over a 60-year building study period.
1 certification is held in the staging record but not presented as product evidence because an exact public source has not yet been mapped.
Evidence Gaps
- •The recorded EPD is expired and is retained as historical evidence only.
- •EPD product coverage is not confirmed.
- •No quantified carbon result is recorded.
- •No product-specific circularity or material-health claims are recorded.
- •1 certification is withheld because exact public evidence is not mapped.
Design & Specification Notes
Qualitative notes for early design discussion. Not product-specific EPD evidence, and not a basis for numerical comparison.
Axter’s flagship reinforced bitumen waterproofing system, made with their Alpa polymeric binder.
Typical Uses
- •Roof coverings
- •Waterproofing layer
- •Weather protection
Key Performance
High durability in wet exposure and wind uplift.
Specification Actions
- •Confirm the current EPD covers the selected product, finish and manufacturing route.
- •Calculate transport distances for primary materials.
- •Document material reuse or reclaimed content percentages.
Indicative Health & Indoor Air
Installation risks (torch application, hot works, resin handling) are the installer’s to manage; follow the current manufacturer guidance.
Specification
- Finish
- SBS polymer-modified reinforced bitumen membrane system
- Service life
- 60 years