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Adhered or Unadhered, that is the question. See our guide to ASTM E84 testing, making testing option selection simple and providing clarity on how testing is performed. Learn more about the Steiner Tunnel and E84 testing options today.

Congratulations to Applied Lab on achieving A2LA Accreditation to the International Standard ISO/IEC 17025:2017! See more about Applied Lab's accreditation.

Why choose an accredited lab? Learn the differences between accredited and non-accredited testing.