Caryaires Fire and Smoke Dampers are UL 555/UL555S Certified !

Our Combination Fire and Smoke Damper FSD-B-U series is certified to withstand 90 minutes of Fire, and is certified to be Class 1 Leakage Rated at an elevated temperature of 350 Deg F the best leakage rating possible. Our Fusible Link Fire damper FLD-S-U series is also certified to withstand 90 minutes of Fire and is certified for both Static and Dynamic Conditions With this Certification, Our Dampers have become the 1st Indian designed and engineered product to receive this coveted distinction.