Idfx Terms - Chapter 11

Front 1

gypsum wallboard

Back 1

consists of a gypsum core sandwiched between heavy paper and other materials

Front 2

LC bead

Back 2

edge trim requiring finishing with joint compound

Front 3

L Bead

Back 3

edge trim without a back flange; good for installation after the wallboard has been installed

Front 4

U Bead

Back 4

edge trim in which the edge of the metal is noticeable

Front 5

LK Bead

Back 5

edge trim for use with various thicknesses of wallboard in a kerfed jamb (one with a small slot cut in)

Front 6

glass-reinforced gypsum

Back 6

broad class of products manufactured from high-strength, high-density gypsum reinforced with continuous-filament glass fibers or chopped glass fibers

Front 7

plaster

Back 7

finish material made from various types of cementing compounds, fine aggregate, and water

Front 8

demountable partitions

Back 8

a system of individual components that can be quickly assembled, disassembled, and reused with nearly totally salvageability

Front 9

nonprogressive system

Back 9

panels are independent and can be removed or replaced individually

Front 10

progressive system

Back 10

first panel must be placed before the second panel, which must be placed before the third panel, and so on

Front 11

hinge jamb

Back 11

side where hing or pivot is installed

Front 12

strike jamb (strike side)

Back 12

the jamb where the door closes

Front 13

swinging door

Back 13

attached to its frame with hinges or pivots

Front 14

pocket sliding doors

Back 14

hung on a top track and can be used where space is limited

Front 15

bypass sliding doors

Back 15

hung from a top track and are generally use for closets only

Front 16

bi-folding doors

Back 16

used for closets - opens fully (as opposed to bypass sliding doors)

Front 17

accordion folding doors

Back 17

used to divide spaces or close very wide openings

Front 18

flush wood doors

Back 18

made of thin, flat veneers laminated to various types of cores

Front 19

hollow-core doors

Back 19

made of one or three plies of veneer on each side of a cellular interior

Front 20

solid-core doors

Back 20

made with a variety of core types depending on the functional requirements of the door

Front 21

panel doors

Back 21

constructed of solid pieces of wood that frame various types of panels

Front 22

flush doors

Back 22

have a single smooth surface on both sides

Front 23

sash doors

Back 23

contain one or more glass lights

Front 24

louvered doors

Back 24

have an opening with metal slats to provide ventilation

Front 25

glass doors (or all-glass doors)

Back 25

constructed primarily of glass and have fittings to hold the pivots and other hardware

Front 26

latchsets and locksets

Back 26

devices to operate a door, hold it in the closed position, and lock it.

Front 27

cylindrical lock

Back 27

simple to install in holes drilled in the door, relatively inexpensive

Front 28

mortise lock

Back 28

installed in a rectangular area cut out of the door (more secure than cylindrical)

Front 29

preassembled lock

Back 29

the mechanism is in a rectangular box that fits within a notch cut in the edge of the door

Front 30

pivots

Back 30

an alternate way to hang doors where the appearance of hinges is objectionable or where a frameless door design may make it impossible to use hinges

Front 31

closers

Back 31

devices that automatically return a door to its closed position after it is opened

Front 32

panic hardware

Back 32

operating hardware that is used where required by building code for safe egress by a large number of people

Front 33

doorstops and bumpers

Back 33

method of keeping a door from damaging adjacent construction

Front 34

astragals

Back 34

vertical members used between double doors to seal the opening, act as a door stop, or provide extra security when the doors are closed

Front 35

push plates and pull bars

Back 35

used to operate a door that does not require automatic latching

Front 36

automatic door bottoms

Back 36

devices that are mortised or surface applied to the bottom of the door to provide a sound or light seal

Front 37

door seals

Back 37

used to provide tight seals against smoke, light and sound

Front 38

thresholds

Back 38

used where floor materials change at a door line, where a hard surface is required for an automatic door bottom, or where minor changes in floor level occur

Front 39

float glass

Back 39

standard type of glass used in common windows and other applications where additional strength or other properties are not required

Front 40

tempered glass

Back 40

produced by subjecting annealed glass to a special heat treatment

Front 41

laminated glass

Back 41

consists of two or more layers of glass bonded together by an interlayer of polyvinyl butyral

Front 42

wire glass

Back 42

mesh of wire is embedded in the middle of the sheet

Front 43

patterned glass

Back 43

specialty glass is made by passing a sheet of molten glass through rollers on which the desired pattern is pressed, which may be on one or both sides

Front 44

fire-rated glazing

Back 44

4 types

Front 45

electrochromic glazing

Back 45

inorganic ceramic thin-film coating on glass and can be manufactured to range from transparent to heavily darkened (tinted)

Front 46

SPD glazing

Back 46

uses a proprietary system in which light-absorbing microscopic particles are dispersed within a liquid suspension film which is then sandwiched between two pieces of transparent conductive material

Front 47

polymer-dispersed liquid crystal film glazing

Back 47

fabricated by placing the polymer film between two pieces of glass

Front 48

fire-rated door

Back 48

a door assembly that has been tested by an independent laboratory to determine that it is capable of withstanding a measured temperature, without failure, for a set length of time

Front 49

plenum

Back 49

space above the ceiling

Front 50

label

Back 50

a permanent identifying mark, attached to the door or frame by a testing organization, that indicates the component complies with standard UL tests for fire doors and with NFPA 80, which governs the installation of fire doors

Front 51

access panels

Back 51

prefabricated steel units with hinged doors that allow the wallboard to be framed into them

Front 52

seismic restraints

Back 52

structural elements designed to keep nonstructural elements in place during earthquakes

Front 53

integrated ceilings

Back 53

suspended ceiling systems specifically designed to accommodate acoustical ceiling tile, light fixtures, supply and return air grilles, fire sprinklers and partition attachment in a consistent, unified way

Front 54

finish carpentry

Back 54

exposed wood construction assembled at the job site by finish carpenters

Front 55

plywood

Back 55

panel product made from an odd number of layers of thin veneer glued together under heat and pressure

Front 56

particleboard

Back 56

composed of small wood particles, fibers, or chips of various sizes mixed together in a binder and formed under pressure into a panel

Front 57

MDF (medium-density fiberboard)

Back 57

panel product made from wood particles reduced to fibers in a moderate-pressure steam vessel and then combined with a resin and bonded together under heat and pressure

Front 58

stairways

Back 58

1. winding

2. curved

3. spiral