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At ETHOS, we specialize in providing third-party review services for passive fire protection installations. Our certified experts have extensive expertise in firestop and barrier reviews, including construction joints, flexible duct enclosures, and perimeter curtain walls. With over 30 years of experience and active involvement in industry code and standards committees, we offer the credibility needed to ensure compliance. Our services cover a wide range of firestop reviews, including ASTM 2174 (Through Penetrations), ASTM 2393 (Fire Rated Joints & Perimeter Fire Barrier), ASTM E605 (Sprayed Fire-Resistive Material Thickness and Density), ASTM E736 (Cohesion/Adhesion Testing), and AWCI Technical Manual 12-B (Thin-Film Intumescent Fire-Resistive Materials).  Whether through destructive or non-destructive testing, we identify missing firestop systems and uphold the highest standards of compliance and quality assurance.