What is expiring, and when
As of May 21, 2026, the following product‑specific EPD is slated to expire on January 1, 2027: Kvillsfors inward opening sidehinged with secondary sash finish, KS, with aluminium cladding. The declaration is verified under EPD Norway using NPCR 014 Part B for Windows and Doors and covers MasterFormat 08 50 00 Windows. A public overview of NorDan Group’s EPDs, which includes this model, is available on their site at the NorDan EPD library page (https://nordan.ie/technical-resources/epd/).
Is a replacement already visible
We do not see a newer product‑specific EPD for this exact KS secondary‑sash variant yet. There is, however, a broader Kvillsfors inward‑opening EPD that includes product groups KS, KN, KU, ES, EN and EU, valid until May 2, 2027. Depending on a project’s submittal rules, that family EPD can sometimes bridge the gap for KS configurations, but it may not satisfy bids that ask for a declaration naming the precise finish or assembly variant (EPD Norway, 2022) (NEPD‑3448‑2059).
What specifiers might switch to if timing slips
If a like‑for‑like renewal is not published ahead of January 2027, design teams that require active EPDs will reach for comparable inward‑opening wood‑aluminium systems with current declarations. Three likely options are:
- VELFAC In inward‑opening tilt and turn windows, valid through April 5, 2029 (EPD International, 2025) (S‑P‑12256).
- H‑vinduet Fjerdingstad side‑hinged 95 mm, 2‑pane with aluminium cladding, valid through April 3, 2030 (EPD Norway, 2025) (NEPD‑9577‑9073).
- Natre inward‑opening tilt and turn wood‑aluminium window, valid through June 20, 2030 (EPD International, 2025) (S‑P‑12249).
These cover similar opening functions and materials, which keeps submittal reviews predictable for teams targeting EN 15804 A2 and the windows and doors c‑PCR 007.
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Business impact in plain language
EPDs function like passports at bid time, so an expired document can slow approvals or steer a project toward a competitor with a live declaration. For most buyers any valid EPD is fine within its window, yet proximity to expiry matters once a project’s procurement clock starts ticking. A timely renewal avoids awkward substitutions, last‑minute RFIs, and the silent cost of stalled quotes.
Renewal timing, a quick playbook
Aim to complete the update by early Q4 2026 so verification and program‑operator processing do not collide with holiday slowdowns. Keep scope stable unless market demands changed, then align the model with the current c‑PCR 007 for windows and doors. Lock reference year data, confirm aluminium and glass value chains, and pre‑collect transport scenarios so reviewers can move fast. This is tedious work, but it pays back quickly in fewer back‑and‑forths and cleaner EC3 listings.
Where to monitor status
Nordvestvinduet’s EPDs are surfaced across NorDan’s regional sites. Their EPD hub is the easiest single bookmark, and it currently lists KS and related NTech models with inward‑opening and outward‑opening options: https://nordan.ie/technical-resources/epd/. The UK environmental agenda page also highlights SoundGuard and NTech families (https://nordan.co.uk/environmental-agenda).
Context for submittals
The expiring KS declaration sits alongside other NorDan family EPDs that remain valid into 2027 and 2028. That breadth helps maintain specability in many cases, but projects that insist on a product‑specific EPD for the exact secondary‑sash configuration will likely ask for a fresh file. EPDs typically carry five‑year validity, so staying a step ahead of that cycle keeps the sales funnel smooth rather than stop‑start.
Want a deeper dive on window EPDs
For a market‑level snapshot of who is publishing and where, see Windows EPDs in Europe on EPD Guide, a helpful scan of operators and coverage patterns (EPD Guide, 2026). If you are weighing a family EPD versus product‑specific coverage, Elitfönster’s multi‑model approach is a useful comparison point (EPD Guide, 2026).
Bottom line for the spec window
There is no confirmed, like‑for‑like replacement in public view for the KS secondary‑sash EPD expiring January 1, 2027. A broader Kvillsfors family EPD runs until May 2, 2027, which may help some bids, yet competitors already hold inward‑opening wood‑aluminium EPDs valid into 2029 and 2030. Publishing the renewal this year protects momentum, reduces enviromental data chases, and keeps the preferred model easy to specify.
