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. Steel is the sole door material to deliver a 3 hour fire rating. The door itself is usually made from a solid timber frame but they can sometimes be covered again in fire resistant glass. Included in that standard are.

20 45 60 90 minute or 3 hour label. Closing force test heat test cold test air infiltration test. 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. Metal fire doors are an economical alternative to wood fire doors when more than a 20 minute rating is required.

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. The 640 and 641 model doors are ideal for openings requiring a counter type fire rated door. Fire doors are made up of various components. Automatic closing devices or objects ball bearing hinges gas seals positive latching mechanisms smoke seals.

Fire doors can be installed face of wall or between jambs on an interior or exterior wall. 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. Labeled fire doors control the spread of fire and smoke for up to 3 hours. Acceptable wall types include masonry structural steel jambs and drywall construction with structural steel or wood studs.