EN 15804+A2, EN 15978, PCR selection and modularity rules — everything that decides which standard, which revision and which product category rules an EPD is built against.
7 articles
The two standards of life cycle costing: the general methodology of ISO 15686-5, the EN 15804 module symmetry of EN 16627, cost categories, the reference study period, discounting and reporting rules.
Read moreModule D reports future benefits from recycling. End-of-waste criteria, secondary material quality, steel 90% vs plastic 30% examples.
Read moreThe most common mistakes when filling EN 15804+A2 Tables 8-11: MNR/MND confusion, module-chaining errors, GWP-fossil/biogenic imbalance, transport assumptions.
Read moreThe A2 revision brought 7 new indicators, the GWP four-way split, Table 8 in place of Table 2, and stricter data-quality rules. A practical migration checklist from +A1.
Read moreEN 15804 produces product-level EPDs; EN 15978 assesses an entire building. How do the two complement each other?
Read moreEN 15804+A2 is the core PCR, but category-specific PCRs (EN 16783, EN 16757, EN 16908…) may be mandatory. How do you make the PCR selection decision?
Read moreEN 15804+A2 (2019) is the mandatory European EPD standard for construction products. This guide covers indicators, the modulary table, MNR/MND, verification and end-to-end production with clca.
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