EPD Guide

by Parq

LCA Modules & Stages 101

4 Articles
•Complete guide and resources

A1–A5, B1–B7, C1–C4… alphabet soup, meet spoon. This section breaks down life‑cycle assessment modules and stages with real‑world examples that finally make the “cradle‑to‑grave” process clear.

All Articles

Spec sheet morphing into a checklist of sustainability icons

Four Environmental Impact Categories You Should Know

You poured months into perfecting a product, yet one missing number can still keep you off the bid...

Walker Ryan
5 min read
6/10/2025
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Architect and engineer reviewing building material samples

Functional Unit and Reference Service Life: How to Keep Comparisons Fair

If you have ever argued about who makes the “greener” concrete panel, odds are someone’s functional...

Eric Hansen
5 min read
7/28/2025
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Truck on road with factory in background

Master Modules A4 and A5 for Leaner EPDs

Months of plant data finally sit polished in a spreadsheet, yet your verifier still needs truck...

Eric Hansen
5 min read
8/4/2025
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Hands organizing scattered paperwork

Life Cycle Inventory (LCI): From Numbers to Results

Most EPD delays start long before the verifier opens your report. The bottleneck is Life-Cycle...

Walker Ryan
5 min read
5/5/2025
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