The solid core construction of this internal fd30 rated fire door gives additional strength and sound reducing properties to this premium door the finest quality inlaid veneers create an exclusive look for when a touch of luxury is required this factory laquered door is finished in ash veneer and inlaid with american walnut veneer veneer with a stile and rail effectthis door provides 30 minutes of fire protection when hung in accordance with the manufacturers instructions in an appropriate f