Detail Fire Door Components

However the details and method of construction vary depending on the door and frame materials.

Detail fire door components.

Backbend return face stop soffit rabbet throat. The 640 and 641 model doors are ideal for openings requiring a counter type fire rated door. The door itself is usually made from a solid timber frame but they can sometimes be covered again in fire resistant glass. Fire doors can be installed face of wall or between jambs on an interior or exterior wall.

Closing force test heat test cold test air infiltration test. Acceptable wall types include masonry structural steel jambs and drywall construction with structural steel or wood studs. 20 45 60 90 minute or 3 hour label. Door components and door types regardless of whether the specified doors are wood or metal the following components and door types are available.

Labeled fire doors control the spread of fire and smoke for up to 3 hours. Automatic closing devices or objects ball bearing hinges gas seals positive latching mechanisms smoke seals. Protection association for fire doors and fire windows nfpa 80 and the door components installation instructions. This glass should be able to withstand exposure to the heat condition in a fire test for at least 60 minutes before it reaches a temperature high enough to soften it.

Metal fire doors are an economical alternative to wood fire doors when more than a 20 minute rating is required. Terminology used in describing these frames follows as closely as possible the american national standard for nomenclature for steel doors and steel door frames ansi a250 7. Fire rated counter door model 640 primted galvanized steel and model 641 fire rated counter doors feature 22 gauge steel and are ideal for applications where safety is as important as style. Fire doors are made up of various components.