Certification documents, test reports and award medallions arranged on an oak desk

Documented

Certifications & Standards

Green building programs certify buildings; the materials feed the credits. Every claim on this page traces to a test report, attestation, or declaration you can open.

The Certification Library

Tap a card for the products that carry it and the documents that prove it.

Emissions & Air Quality

Green Building Ratings

Fire Performance

Manufacturer & Compliance

Certified B Corporation badge

Certified B Corporation


Diasen, the manufacturer behind these products, is a Certified B Corporation: audited by B Lab against binding standards for social and environmental performance. Everything we carry from them comes out of that certified operation.
ISO Management Systems badge

ISO Management Systems


Diasen runs three certified management systems: ISO 9001 for quality, ISO 14001 for environmental management and ISO 45001 for worker health and safety.
CE and UKCA Marking badge

CE and UKCA Marking


Products carry CE and UKCA marking under their harmonized standards, each backed by a Declaration of Performance. The DoP numbers are printed on every product's technical data sheet.

Need documentation for a submission?

Specifying for LEED, WELL, or Passive House? We'll help you pull the right documents for the assessment.

Need these documents in a spec?

We build spec packages on request, and samples ship for material verification.