custom steel fireproof door – Technical Standard RequirementsSpecifications for Fire Doors in This ProjectThe steel fire doors used in this project must comply with the following standard requirements: I. Material and Fire Protection RequirementsFire Resistance Rating II. Door Leaf Opening Direction III. Technical Requirements IV. Appearance QualityWelding requirements dictate that welding should be firm, with […]
Tag Archives: Class A steel fireproof doors for elevator rooms
Class A steel fireproof doors for elevator rooms