IKO ULTRA Prevent 25
IKO’s flagship reinforced bitumen system: ULTRA Prevent 25 torch-on capsheet over ULTRA underlays and vapour control layer, contractor-installed. BBA 91/2671; life expectancy in excess of 25 years; 25-year guarantee. The wider ULTRA family runs to Life 30, Gold 20 and green-roof variants.

Carbon and evidence
Product Evidence
Evidence currently held for the IKO 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
- Product family
- 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
No IKO product EPD exists for the ULTRA range. IKO host two fallbacks: the ARMA industry EPD for torch-applied APP membranes (UL 4787168709.101.1, expired 2021) and this EWA sector average — itself expired 7 July 2026, UK plants not among participants, so no figure is recorded.
Service Life — the B4 Replacement Input
25 years · manufacturer declared
≈3 installations 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.
- •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.
IKO’s flagship reinforced bitumen system: ULTRA Prevent 25 torch-on capsheet over ULTRA underlays and vapour control layer, contractor-installed.
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, hot-air welding) are the installer’s to manage; follow the current manufacturer guidance.
Specification
- Finish
- Torch-on reinforced bitumen membrane system
- Service life
- 25 years