EPD Newcomers

Congrats Semko Oy: First EPDs Enter the Transparency Arena

Walker Ryan
Walker RyanChief Executive Officer
April 3, 20265 min read

Semko Oy just put verified numbers on the table. In August 2025 the Finnish precast and steel‑connection specialist released its first Environmental Product Declarations, giving designers and contractors product‑family documentation they can drop straight into submittals. That flips conversations from estimates to evidence and helps keep Semko’s fastening plates, slab components, and balcony connectors in the mix when projects prefer product‑specific EPDs under EN 15804. It is practical spec currency for core concrete and façade details.

Logo of semko.fi

What launched in August 2025

Semko published four first‑ever EPDs in August 2025. The set covers fastening products for concrete, stainless‑steel connecting parts for concrete, concrete slab components made from steel, and balcony connection parts made from steel. All four are issued by EPD Australasia and show validity through 2030. The records read as product‑family EPDs rather than single‑SKU one‑offs, which aligns with how specifiers select anchors and connectors across sizes.

Why this matters for Semko’s customers

Semko’s day job is manufacturing cast‑in and bolted details that keep concrete elements connected and safe. Think fastening plates, column and wall shoes, slab hangers, lifting anchors, and balcony connectors used by precast plants and on structural or façade packages. With EPDs live, procurement teams can compare like for like without falling back to conservative defaults that penalize submittals lacking product‑specific data.

Competitive snapshot in the connectors aisle

Peikko shows current EPD coverage on its DELTABEAM line and documents balcony connectors under European operators, signaling mature transparency in adjacent use cases (Peikko on EPD Guide). Schöck lists current IBU EPDs for Isokorb thermal breaks that often compete on balcony details (Schöck on EPD Guide). HALFEN under the Leviat umbrella appears thinner on fresh, product‑specific EPDs for several classic fixings, with gaps noted outside HIT assemblies as of late 2025 (HALFEN overview). In short, Semko has entered the transparency arena where key rivals already play, and these four EPDs close an immediate credibility gap.

Join Parq Pulse!

Stay ahead with weekly insights on product transparency and environmental data to win more projects.

Program operator choice that travels

Publishing with EPD Australasia gives Semko EN 15804‑aligned documents recognized across many workflows because the operator partners closely with the International EPD System. For European bids that still prefer IBU or similar, the core structure remains comparable. That keeps reviewers focused on content quality instead of debating format.

Scope notes specifiers will care about

These are family‑level declarations that group related sizes and variants. That is useful when engineers swap a plate thickness or hanger capacity late in design. It reads like a toolbelt instead of a single screwdriver. If a project demands the tightest possible match for one geometry, a follow‑on product‑specific EPD for the highest‑runner SKU could sharpen competitive edges even further.

Website visibility check

We looked for these EPDs on semko.fi and did not find them posted on their product or sustainability pages as of April 2, 2026. Listing the PDFs in a single EPD hub on the site and linking from product pages will help designers find them in seconds during submittals. Visibility is half the win. If future declarations need to appear in global directories within a day or two, reach out for the playbook that trims that lag. Registry listings often trail operator issue dates by weeks to months.

Where to expand next

Priority additions that would amplify commercial impact include foundation bolts, column and wall shoes, lifting anchors, and brickwork support or façade brackets. Those are frequent change‑order magnets. Having current, third‑party verified EPDs ready for them means teams dont need to substitute just to satisfy documentation checks.

Quick signals on process partners

The public records do not name a specific LCA developer on this first set. That is fine for launch. A strong follow‑up is to standardize data collection across plants so refreshes, plant expansions, and new product families slot into verification without burning calendar. It is definately the boring work that wins bids.

What this means for the next spec cycle

Semko’s first EPDs are a real unlock. Four families now arrive with documentation that buyers can trust and compare. Competitors like Peikko and Schöck already speak this language. HALFEN shows patchier coverage in several classic fixings. Semko has stepped into the arena with credible files and a clear path to widen the set. Keep the momentum, make the EPDs easy to find on the website, and extend coverage to the highest‑runner components next.

Sign up for our weekly newsletter

Get the latest on ESPR, EPDs, and sustainability regulations delivered to your inbox every week.

Frequently Asked Questions

Which product families did Semko Oy’s first EPDs cover and when were they issued?

Four families issued in August 2025: fastening products for concrete, stainless‑steel connecting parts for concrete, concrete slab components made from steel, and balcony connection parts made from steel. All are valid to 2030.

Which program operator published Semko’s first EPDs?

EPD Australasia, an EN 15804‑aligned operator that partners with the International EPD System.

Do competitors in the same categories have EPDs?

Yes. Peikko documents DELTABEAM and balcony connectors. Schöck covers Isokorb thermal breaks. HALFEN shows more limited coverage on several classic fixings, based on public listings summarized on EPD Guide.

Are the EPDs available on Semko’s website?

We could not locate them on semko.fi as of April 2, 2026. Publishing a dedicated EPD page and linking PDFs from product pages is recommended.

Want to win more bids?

Parq helps construction materials manufacturers get spec'd more often with industry-leading EPDs and LCAs.

Get in Touch

About the Author

Photo of Walker Ryan

Walker Ryan

Chief Executive Officer at Parq

Walker Ryan is a climate-tech entrepreneur focused on driving industrial decarbonization through better data. As the founder and CEO of Parq, he helps manufacturers generate high-quality, third-party–verified carbon disclosures at scale—accelerating a traditionally slow and expensive process. Before starting Parq, Walker led over $200 million in sustainability-focused investments as VP of Strategy & Growth at ReStream Solutions, following earlier experience in investment banking at Deutsche Bank. He brings a rare mix of capital markets expertise and hands-on sustainability knowledge to tackling the infrastructure of industrial emissions.

More in EPD Newcomers