Short answer: In a Health Product Declaration (HPD), the inventory threshold is the concentration at or above which a substance must be reported. A 1,000 ppm (0.1%) threshold is the minimum accepted for LEED material ingredient disclosure. A 100 ppm…
Read More HPD Inventory Thresholds: 1,000 ppm vs 100 ppm and What They Mean in Practice
Building product manufacturers face a growing stack of material health documents, and architects, interior designers, and specifiers increasingly ask for them before a product makes it into a project or a firm’s materials library. The three most common are the…
Read More HPD vs Declare vs C2C Material Health Certificate: Which Should You Pursue First?
For most building product manufacturers, the hardest part of publishing a Health Product Declaration (HPD) isn’t the HPD Builder. It’s getting complete ingredient data out of suppliers who consider their formulations trade secrets. A Non-Disclosure Agreement (NDA), often managed through…
Read More Getting Supplier Data Under NDA for an HPD: A Step-by-Step Guide
Quick answer: what does an HPD cost? There is no set price for a Health Product Declaration (HPD). Cost depends on the scope of each project: the more ingredients and suppliers a product has, the more an HPD costs; the…
Read More How Much Does an HPD Cost? (Preparation, Verification, Renewal)
Short answer: Your existing Health Product Declaration does not expire or become invalid because LEED v5 has arrived. A published HPD stays in the HPD Public Repository. It keeps counting toward the LEED v4 and v4.1 Material Ingredients credit for…
Read More What Happens to My LEED v4 HPD Now That v5 Is Required?
Short answer: A LEED Pre-Checked HPD and a third-party verified HPD are not the same thing, and they are not competing options. The LEED Pre-Check is a free, automated check inside the HPD Builder that flags whether required fields line…
Read More Pre-Checked for LEED vs. Third-Party Verified HPD: Cost, Timeline, and LEED Value
Quick answer: HPD Open Standard v3.0 is the current version of the Health Product Declaration standard, maintained by the Health Product Declaration Collaborative (HPDC) and implemented in the HPD Builder in September 2025. It moves HPDs from static PDFs to…
Read More HPD Open Standard v3.0: What Changed and What Manufacturers Must Update
Short answer: In LEED v5, a Health Product Declaration (HPD) earns a product a Level 1 (1x) or Level 2 (2x)score in the Human Health criteria area of MR Credit 4: Building Product Selection and Procurement. Level 1 requires an…
Read More How HPDs Score in LEED v5: Level 1 vs Level 2 Explained
A manufacturer creates a Health Product Declaration by collecting formulation data from every supplier, selecting an inventory method and threshold, screening each substance against the HPD Priority Hazard Lists and GreenScreen, then publishing to the HPD Public Repository. HPDs are…
Read More How Do Manufacturers Create a Health Product Declaration?
A Health Product Declaration (HPD) is a standardized ingredient disclosure document for building products. It reports what a product contains and maps those contents against recognized chemical hazard databases. HPDs are requested by architecture and engineering firms on commercial construction…
A Health Product Declaration is a standardized document that reports the material contents of a building product alongside the health information associated with those materials. The format is governed by the HPD Open Standard, a voluntary technical specification developed collaboratively…
