Karp 24" x 24" KRP-350FR Insulated Fire Rated Access Door for Drywall (Steel)

The KRP-350FR is insulated and rated by Underwriters Laboratories for 1.5 hour "B" label in walls, and may be used in a 2 hour fire rated wall assembly. Additionaly, Warnock Hersey rated the KRP-350FR for 3 hours in ceilings.