Commercial fire rated doors ranging from 20 min, 45 minute, 60 minute, 90 minute and 3 Hr fire rated. Built to meet building codes for both fire and safety. Different core material，different fire rated times
Commercial fire rated doors ranging from 20 min, 45 minute, 60 minute, 90 minute and 3 Hr fire rated. Built to meet building codes for both fire and safety.Different core material，different fire rated times
