NFPA 80 Flashcards
According to NFPA 80, each piece of glazing material in a fire door or window assembly must be identified by a visible listing mark.
True - 4.4.6 Each individual glazing unit shall be identified with a label that is visible after installation.
- 4.5 Fire Resistance-Rated Glazing in Doors and Windows. Fire resistance rates glazing that limits the temperature rise on the unexposed surface and withstands the impact of the hose stream test as required for walls for the required duration in accordance with ASTM E119, Standard Test Methods for Fire Tests of Building Construction and Materials, and is subsequently tested in accordance with NFPA 252, Standard Methods of Fire Tests of Door Assemblies, or NFPA 257, Standard on Fire Test for Window and Glass Block Assemblies, shall be permitted in Fire.
According to NFPA 80, interconnected locks having deadbolts are permitted on fire doors within a means of egress.
True - 6.4.4.3.2 - Locks with dead bolts that are interconnected with latch bolts and retract when the latch bolt is retracted shall be permitted for use on fire doors within a means of egress.
According to NFPA80, labeled frames intended for drywall installations are to be the wrap-around type.
False - 6.3.1.3 - Door frames intended for drywall installation shall be of the flush-butt mounted or wrap around type, and anchors shall be secured in accordance with the manufacturers instruction.
According to NFPA80, clearance between the bottom of a fire-rated door and a raised non-combustible sill is limited to a maximum of an inch.
3/4 inch - 4.8.4 Clearance - 4.8.4.1 The clearance under the bottom of a door shall be a maximum of 3/4 in (19 mm).
According to NFPA80, fire doors generally carry a rating less than the wall due to the fuel loading on each side of the opening
True - A.5.1 Fire doors, fire shutters, and fire windows are designed to protect the opening under normal conditions of use with clear spaces on both sides of the opening. Typically, Fire doors, Fire shutters, and fire windows will provide a lesser rating than the wall and generally allow heat transmission through the assembly. combustible materials should not be piled against or near the door, window, or shutter.
According to NFPA80, the use of plant-one and protective plates is not controlled by manufacturer’s listings.
False - 4.1.3.1 Preparation of fire door assemblies for locks, latches, hinges, remotely operated or remotely monitored hardware, concealed closers, glass lights, vision panels, louvers, astragals and split astragals, and the application of plant ones and laminated overlays shall be performed in accordance with the manufacturer’s inspection service procedure and under label service.
According to NFPA80, the minimum single point latchbolt throw for locks or latches on fire doors is 3/4 inches.
False
- 6.4.4.6 Throw
- 6.4.4.6.1 The throw of single-point latch bolts shall not be less than the minimum shown on fire door label. 6.4.4.6.2 The minimum throw shall be as specified in the manufacturer’s installation instructions.
A.6.4.3 Paragraph 2 Sentence 2 Another example is that some pairs of doors might be equipped only with latches having a latch throw of 3/4 inches. (19 mm), while those produced by a different manufacturer might have been tested with latches having a latch throw of 1/2 in (12.7 mm)
According to NFPA80, fire protection glazing and fire resistance glazing shall meet all applicable impact safety standards.
True - 4.4.2 Fire protection glazing and fire resistance glazing shall meet all applicable impact safety standards.
According to NFPA80, only labeled fire door louvers can be used in fire doors.
True - 6.4.6 - Automatic Louvers - Only labeled fire door louvers shall be used in fire doors.
According to NFPA80, an overlapping astragal are required on doors swinging in pairs having a fire rating of more than
Dependent on manufacturer’s listing procedures
According to NFPA 80, glass light preparations for all fire door assemblies rated 20 minutes and over must be done under label service.
True - 4.1.3.1 - Preparation of fire door assemblies for locks, latches, hinges, remotely operated or remotely monitored hardware, concealed closers, glass lights, vision panels, louvers, astragals and split astragals, and the application of plant ones and laminated overlays shall be performed in accordance with the manufacturer’s inspection service procedure and under label service.
According to NFPA 80, sills under fire doors with builders hardware must equal the frame jamb depth, except when the jamb depth exceeds 4” a sill must be 4” minimum.
True - 4.8.2.6 - Where frames have a greater jamb depth, the sills shall have a minimum width of 4 in. (102 mm) and shall be installed so that the sill extends from the face of the frame on the door side into the frame.
According to NFPA80, gasketing material on fire doors must comply with published listings of door, frame, or gasket material manufacturer.
True - 6.4.8 - Gasketing - Gasketing on fire doors or frames shall be in accordance with the published listings of the door, frame, or gasketing material manufacturer
According to NFPA80, the allowable field clearance between the frame and hollow metal door is 3/16” at the head and 1/8” at the jambs and meeting edges of pairs of doors.
False - 6.3.1.7.1 - The clearances between the top and vertical edges of the door and the frame, and the meeting edges of doors swinging in pairs, shall be 1/8 in. +- 1/16 in. (3.18 mm +- 1.59 mm) for steel doors and shall not exceed 1/8 in. (3.18 mm) for wood doors.
According to NFPA 80, a pair of 20 minute doors to a classroom may have manually operated flushbolts on the inactive leaf if the inactive leaf is not required for egress
False - 6.4.4.5.1 - Manually operated, labeled, top and bottom flush mounted or surface mounted bolts on the inactive leaf of a pair of doors shall be permitted to be used where acceptable to the AHJ, provided they do not posed a hazard to safety to life.
