Precast concrete is among the first construction products facing DPP obligations. Typical GWP ranges from 150–400 kg CO2e/m3, with SCM substitution, low-carbon cement, and CO2 curing as the primary reduction pathways.
Ready-mix vs precast
Ready-mix concrete is a process service — it is batched at a plant and delivered to site where it is cast in-situ. The resulting structural element (foundation, wall, slab) is not a CE-marked construction product and is outside CPR scope. There is no DPP obligation for ready-mix.
Precast concrete elements — hollow core slabs, structural beams, columns, wall panels, staircase elements, drainage pipes, paving slabs — are manufactured off-site and CE marked under product-specific hENs derived from EN 13369 (Common Rules for Precast Concrete Products). These are in scope for DPP obligations under CPR 2024/3110 and ESPR 2024/1781.
However, EPD documentation for ready-mix concrete is still valuable: it feeds whole-building LCA tools (EN 15978), supports Buy Clean procurement requirements, and forms the input data for downstream precast concrete EPDs.
EPD valuable for LCA but no mandatory DPP
CE marked under CPR. DPP obligation via hEN delegated act.
Structural linear elements. EN 13369 basis.
Load-bearing and non-load-bearing wall panels.
Staircase elements.
GWP reduction pathways
GWP A1–A3 in kg CO2 equivalent per m3 of concrete. The primary driver of variation is the cement content and cement type. SCM substitution, low-carbon cement formulations, and CO2 curing are the main decarbonisation levers.
Conventional ready-mix or precast using CEM I (95–100% clinker). Baseline reference for most structural concrete grades.
GGBFS, fly ash, or limestone partially replacing clinker. Most widely available low-carbon concrete in EU markets today.
35–80% GGBFS replacement. Lower workability window but significantly reduced GWP. Common in infrastructure and marine applications.
LC3 (limestone calcined clay cement) uses abundant low-energy clays as SCM. Strong decarbonisation potential without relying on limited GGBFS supply.
Precast elements cured with CO2 mineralisation permanently sequester CO2 into carbonate minerals within the concrete matrix. Reduces net GWP by 20–50 kg CO2e/m3.
Best-available combination: low-carbon cement, high SCM content, CO2 curing, and optimised mix design. Emerging commercial products from select precast manufacturers.
Ranges indicative. Actual values depend on concrete grade, aggregate source, cement content, and admixture use. Source: published EN 15804+A2 EPD data.
DPP mandate path
The regulatory path for precast concrete DPPs already exists — CE marking is required via EN 13369 series hENs under CPR. The Commission only needs to issue a delegated act updating these hENs. No new CE marking infrastructure is required.
The Commission instructs CEN to update the EN 13369 series to reference DPP data requirements. For existing precast EPDs, the data is already largely in place.
The delegated act triggers the 18-month countdown. Precast manufacturers should have DPP systems in place before this date to avoid a last-minute rush.
From approximately Q2 2028, precast concrete elements placed on the EU market without a valid DPP cannot carry CE marking. CE marking is required for legal sale.
Concrete FAQ
Ready-mix concrete is delivered to site as a wet mix and cast in-situ — it is not a CE-marked product under CPR (the in-situ structure is outside CPR scope). Precast concrete elements (beams, columns, floor units, wall panels, pipes, paving slabs) are CE-marked products under product-specific hENs derived from EN 13369. DPP obligations under CPR/ESPR apply to CE-marked precast products, not to ready-mix. However, EPD documentation for ready-mix concrete is relevant to whole-building LCA (EN 15978) and some procurement frameworks.
EN 13369 is the common rules standard for precast concrete products. Product-specific hENs include EN 1168 (hollow core slabs), EN 13224 (ribbed floor elements), EN 13225 (structural linear elements), EN 13747 (floor plates), EN 14991 (foundation elements), EN 14992 (wall elements), EN 14843 (stairs), and others. All reference EN 13369 and are CE marked under CPR. The DPP delegated act is expected to address the EN 13369 series.
For ready-mix and cast-in-place concrete EPDs, the declared unit is typically 1 m3 of concrete with a specified compressive strength grade (e.g. C30/37). For precast elements, the declared unit may be 1 m3 of concrete, 1 m2 of slab area, or 1 piece — depending on the PCR and the nature of the product. The DPP must state the declared unit clearly and include the compressive strength grade and any special mix requirements.
CO2 curing (carbonation curing or CO2 mineralisation) exposes fresh precast concrete elements to concentrated CO2, typically industrial waste CO2, in a curing chamber. The CO2 reacts with calcium silicate hydrate phases to form calcium carbonate, permanently mineralising the CO2 into the concrete matrix. This improves strength and reduces cure time while sequestering CO2. In the DPP, the CO2 mineralised is reported as a negative biogenic/process emission in module A3, reducing net GWP A1–A3. The CO2 source (captured industrial, biogenic) must be specified.
Precast concrete already has CE marking under CPR via the EN 13369 series hENs. This means the regulatory pathway for DPP obligations already exists — the Commission only needs to issue a delegated act updating the hENs to include DPP data requirements. Ready-mix concrete is not CE marked and has no equivalent regulatory trigger. Precast is therefore the first concrete product type expected to face DPP obligations, estimated with the same Q4 2026 / Q2 2028 timeline as cement and structural steel.
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