

What’s expiring in December 2026
Based on public program records as of April 20, 2026, the following Ecophon AB Saint‑Gobain declarations show December 2026 expiry dates. Dates are from the verified EPD PDFs.
- S‑P‑05418 Ecophon Hygiene Advance (valid through 2026‑12‑09).
- S‑P‑05115 Akusto Wall C Extra Bass (valid through 2026‑12‑09).
- S‑P‑05130 Combison dB 42 (valid through 2026‑12‑09).
- S‑P‑05319 Acoustic boards for fade (valid through 2026‑12‑08).
- Acoustic boards for fade (second listing, valid through 2026‑12‑08).
- S‑P‑05276 Ecophon Connect T15 Grid System (valid through 2026‑12‑08).
- S‑P‑05273 Ecophon Connect T24 Grid System (valid through 2026‑12‑08).
- S‑P‑05275 Ecophon Connect T24 Grid System C4 (valid through 2026‑12‑08).
- S‑P‑05274 Ecophon Connect T24 Grid System C3 (valid through 2026‑12‑08).
- S‑P‑05278 Ecophon Connect Angle Trims C1, C3, C4 (valid through 2026‑12‑08).
- S‑P‑05277 Ecophon Connect Channel & Shadow line trims (valid through 2026‑12‑08).
- Ecophon Connect Shadow‑line trim (valid through 2026‑12‑08).
Readers can browse Ecophon’s own sustainability pages and EPD download center for the latest portfolio status: Ecophon transparent reporting and Environmental footprint.
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Replacement EPDs already in market
Several ceiling and wall absorber lines above already have newer, longer‑run declarations that keep spec access intact:
- Akusto and wall systems: Akusto Wall C ExtraBass variants show five‑year windows into 2029 on recent declarations. That maintains coverage for wall acoustic panels while the 2026 record sunsets (EPD International AB, 2024).
- Combison: While “dB 42” lapses in December, recent Combison Duo A/E EPDs run to April 2029 and generally serve the same spec intent of combined sound insulation and absorption (EPD International AB, 2025).
- Acoustic boards for plaster systems: Ecophon’s acoustic boards for fade have 2024 publications with validity to 2029 across common thicknesses, closing any near‑term gap on plaster backer boards (EPD International AB, 2024).
Where gaps may form if renewals slip
The Connect grid components listed for Dec 8, 2026 do not yet show replacement EPDs with 2027 or later windows in the public registries we reviewed. Suspension systems often sit on Division 09 submittal checklists alongside the tiles. If a project team requires current EPDs for both tiles and grid, this could create friction at closeout unless renewals are queued early.
Who stands to win the spec if a gap appears
If grid EPDs are still pending near bid day, specifiers will likely lean on ceiling systems with current declarations:
- Armstrong suspension systems, including Prelude and Silhouette families, carry windows out to December 17, 2027 under ASTM program records (ASTM International, 2022).
- USG Donn grid families post April 1, 2029 validity across several systems, providing clear runway for Division 09 submittals (ASTM International, 2024).
- For absorber panels, Armstrong Optima and Lyra run to January 14, 2030 under ASTM, while Rockfon Mono Acoustic is listed through August 11, 2029 with EPD Norway. These keep acoustic performance options visible with current, third‑party documentation (ASTM International, 2025; EPD Norway, 2024).
If the Hygiene Advance ceiling does not receive a fresh declaration in time, healthcare and clean‑area specs may pivot to current “healthcare” or “clean room” absorbers from those same competitors until a replacement is posted.
Why this timing matters commercially
Most buyers do not track EPD vintage month by month during design. They do check validity at submittals. A lapsed grid or specialty absorber EPD can hold up approvals or invite substitutions at exactly the wrong moment. Renewals six to nine months ahead of expiry dates keep bids clean and prevent last‑minute detours that cost margin and mindshare.
For a quick primer on where specifiers actually look first for EPDs, see our explainer on EC3, the EPD data hub architects use.
What to do now if you manage these lines
Map each SKU family to its current declaration and set renewal targets backward from the December 2026 dates. Prioritize Connect grid records and Hygiene Advance, since those show the most exposure today. Line up verifiers early, gather fresh plant data, and make sure MasterFormat mapping and declared units are consistent so indexing into EC3 is quick when the new PDFs land. We’ve seen teams lose valuable time here for avoidable metadata fixes, which is annoying.
Bottom line for specifiers
The absorber side looks largely covered by newer Ecophon EPDs already running into 2029. The risk is concentrated in suspension assemblies and the Hygiene Advance surface. Until renewal PDFs post, Armstrong and USG system EPDs are the most likely detours to appear in Division 09 spec sections given their current windows (ASTM International, 2022; ASTM International, 2024). Keep an eye on Ecophon’s reporting hub for new postings and swap sheets early if a current declaration is required under LEED v5 procurement rules.
We’ll keep watching this cluster as December 2026 approaches so you can keep your specs clean and your submittals fast.


