Glossary
In
the industry of doors & windows many terms and acronyms are used.
Use this alphabetically categorized glossary below to learn more.
A
| B | C | D | E
| F | G | H | I
| J | K | L | M | N
| O | P | Q | R
| S | T | U | V | W
| X | Y | Z
A
A0 and A60
‘‘A
’’class divisions are those divisions formed by bulkheads
and decks which comply with the following criteria:
- they are constructed
of steel or other equivalent material;
- they are suitably
stiffened;
- they are insulated
with approved non-combustible materials such that the average temperature
of the unexposed side will not rise more than 140 degrees above the
original temperature, nor will the temperature, at any one point,
including any joint,rise more than 180 degrees above the original
temperature;
- they are so constructed
as to be capable of preventing the passage of smoke and flame to the
end of the one-hour standard fire test and;
- the Administration
requires a test of a prototype bulkhead or deck in accordance with
the Fire Test Procedures Code to ensure that it meets the above requirements
for integrity and temperature rise.
ABS
American Bureau of Shipping. This organization issues guidelines
and reviews vessels' design and construction for seaworthiness.
AFT
The rear
of a vessel.
ANNEALED GLASS
Standard float glass when broken it will break in large sharp shards.
ANODIZING
A process for finishing aluminum alloys that employs electrolytic
oxidation of the aluminum surface to produce a protective oxide coating.
ANSI Z26.1
"American
National Standards Institute glazing standard. This standard for Safety
Glazing Materials became the accepted, uniform code for the specifications
and testing of motor vehicle glazing material. The code was compiled
by many organizations, including the automotive industry, glass manufacturers,
and the Society of Automotive Engineers."
ASTM C1048
Specification for heat-treated glass which contains an intermediate
level of temper.
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B
B-15
"B"'class
divisions are those divisions formed by bulkheads, decks, ceilings or
linings which comply with the following criteria:
- they are constructed
of approved non-combustible materials and all materials used in the
construction and erection of ``B ''class "divisions are non-combustible,with
the exception that combustible veneers may be permitted provided they
meet other appropriate requirements of this chapter;
- they have an
insulation value such that the average temperature of the unexposed
side will not rise more than 140° above the original temperature,nor
will the temperature at any one point, including any joint, rise more
than 225° above the original temperature,within the time listed
below:
- class B-15 - 15 min
- class B-0 - 0 min
- they are so constructed
as to be capable of preventing the passage of flame to the end of
the first half hour of the standard fire test and;
- the Administration
required a test of a prototype division in accordance with the Fire
Test Procedures Code to ensure that it meets the above requirements
for integrity and temperature rise.
BI-PARTING
Consists of 2 sliding windows moving in opposite directions.
BOLT-ON
A method of mounting using bolts to secure a window or door.
BOROSILICATE
GLASS
A high silicate glass with at least 5% boron oxide bow handle threaded
rod with a triangular shaped handle.
BULKHEAD
Vertical partition walls which separates the interior of a ship
into compartments or rooms.
BUTYL
A rubber material that seals the glass to the spacer, creating an airtight
and water-tight unit. Butyl has the lowest gas permeability of all rubbers.
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C
C QUADRANT
Control lever or component shaped like a quarter circle.
CAD
Computer-aided Design is software used to design products.
CARRIER
GLASS
Refers to the outboard glass (monolythic) portion of a laminated or
double glazed application. This is usually referenced in ISO standards
for load requirements.
CAULKING
The filling of cracks with a compound around doors, windows, or where
two surfaces meet and have minimum movement to prevent air or moisture
from entering.
CCG
Canadian Coast Guard
CLAMP ON
A type of frame mounting whereby the frame is held in place without
screws or bolts.
CLAMPING RING
A ring of metal used to hold the glass in place in the frame.
CLEAR GLASS SIZE
The measurement of the viewing area of the glass inside the frame.
CERAMIC FRIT
Particles of glass applied to the edge of a piece of glass. Frit has
a low melting point that permanently bonds to the glass during the tempering
process. Attention to blackout and adhesion to glass is tested.
CHANNEL GLAZING
The sealing of the joints around lites of glass or panel set in a U-shaped
channel employing removable or fixed stops.
CHEMICALLY
STRENGTHENED GLASS
Glass that is treated in a potassium nitrate bath heated to high temperatures
(470C/880F). This treatment results in a tough outer film that can be
2-10 times stronger.
CHEMICALLY TOUGHED
GLASS
A toughing process whereby the float glass is soaked in a chemical solution
putting a thin layer of the surface into a high level of compression.
COMPENSATOR SPRING
A device for holding vertically sliding glass or sash in any desired
position through the use of a spring to counterbalance the weight of
the sash or glass.
CONDENSATION
GUTTER
A trough to catch moisture build up on a window.
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D
DEADLIGHT
Exterior or interior cover of a window or portlight. Usually made of
steel or aluminum. It is kept closed during severe weather conditions.
DNV
Det Norske Veritas - Classification society.
DOGS
A lever handle that secures and tightens the closure.
DOOR SKIN
A face panel (usually two or more plies) of a door.
DOUBLE
GLAZED
Any use of two thicknesses of glass, separated by an air space, within
an opening, to improve insulation against heat transfer and/or sound
transmission. In factory-made double glazing units the air between the
glass sheets is thoroughly dried and the space is sealed airtight, eliminating
possible condensation and providing superior insulating properties.
Maximum 2 year warranty on vessel/transit application.
DRIP PAN
A pan shaped panel or trough used to collect condensation and moisture.
Drainable spout is provided to draw water to the exterior.
DRY GLAZING
Method of securing glass in a frame by use of a dry, preformed resilient
gasket, without the use of a compound.
DUTCH DOOR
A door with more than one swing opening generally split in the middle
horizontally.
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E
EXTRUSION
The process
of forcing heated material (typically rubber or metal) through an orifice
in a die.
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F
FELT
CHANNEL
A three-sided
U-shaped opening in the sash or frame with water repellent felt attached
to the sides to allow a pane of glass or panel to slide smoothly.
FIN
SEAL
A pile type weatherseal with a durable polypropylene strip attached
down the middle of rigid plastic backing. This seal is installed in
sliding window applications to prevent infiltration of dust, light,
and noise.
FIRE
CLIPS
USCG approved stainless steel shaped clips used in fire rated window
applications where aluminum windows are required.
FIRE
RATED GLASS
Glass which withstands extreme heat and prevents the spread of flames
and gases.
FIXED
WINDOW
A window that does not open.
FLANGE
A fin projecting from the window or door frame parallel to the plane
of the wall for the purpose of securing the frame to the structure.
FLEX
CHANNEL
A flexible glass run channel has an internal wire loom that is covered
by a protective rubber coating for long life. Pile and/or felt linings
protect the glass and provide maximum glass cushioning that reduces
noise and allows the glass to operate smoothly.
FLOAT
GLASS
Glass which has its bottom surfaces formed by floating on molten metal,
the top surface being gravity formed, producing a high optical quality
of glass with parallel surfaces and, without polishing and grinding,
the fire-finished brilliance of the finest sheet glass.
FLOCK
A very short fiberous material sometimes used in coating paper, fabric,
rubber and other objects.
FLOCKED
CHANNEL
A three-sided U-shaped rubber extrusion flock coated (fuzzy) to protect
the glass and provide quiet operation.
FLYSCREEN
An aluminum or fiberglass mesh of various grid sizes.
FRA
Federal Railroad Administration
FRIT
Blacked out perimeter of a piece of glass to prevent UV light from damaging
the adhesive holding the glass.
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G
GLAZING
The act of installing material, glass or other transparent material
within a frame.
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H
H120
Class H-120 division means a division formed by a bulkhead or deck
that is:
- constructed of steel or an equivalent material and suitably stiffened;
- constructed to prevent the passage of smoke and flame after exposure
to a hydrocarbon fire test for 120 minutes, and;
- insulated with non-combustible material so that, if either face
is exposed to a hydrocarbon fire test, after 120 minutes the average
temperature on the unexposed face will not increase by more than 139°C
above the initial temperature, and the temperature at any point on
the unexposed face, including any joint, will not increase by more
than 180°C above the initial temperature; (cloisonnement de classe
H-120)
HARD-COATED GLASS
See pyrolytic glass
HATCH
An opening in a deck giving access to internal compartments.
HEATED GLASS
Electrically Heated - fine, nearly invisible, conductive wires laminated
between 2 or more panes of glass. A low voltage is passed through them
to create a heated surface. Voltages range from 12V dc to 450V ac.
HEAVY-DUTY
Windows with a glass thickness 15mm and over. This also includes glass
laminates (i.e. 19mm/10mm=29mm overall thickness).
HEEL BEAD
Sealant applied at the base of a channel, after setting the glass or
panel and after the removable stop is installed; one of its purposes
is to create a secondary seal.
HELICOILS
Stainless or steel threads inserted into aluminum threaded holes to
strengthen the connection on the inside for attaching a screw.
HERMETICALLY SEALED
Two or more glass panes assembled in a unit enclosing an airtight space.
See Double Glazed.
HYDRO-STATIC HEAD PRESSURE
The height of a column of freshwater that exerts pressure at a given
depth.
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L
LAMINATED
GLASS
2 or more
layers of annealed or tempered glass bonded to an intermediate layer
of PVB plastic film. If it breaks, pieces of glass are adhered to the
PVB film, therefore reducing the likelyhood of injury. This type of
safety glass is also used as a sound barrier.
LLOYDS
REGISTER
A catalogue of ships describing each ship - dimensions, age, place of
construction, registry, ownership, etc.
LOAD-LINE
Distance from the water to the opening of the vessel .
LOW-E
COATED GLASS
Low emissivity - see Pyrolytic Glass.
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M
MARINE
GRADE PRIMER
A thin
coating of paint is applied to steel products to provide temporary corrosion
protection during transport, storage and production.
MIG
WELD
Metal Inert Gas welding. The 'metal' refers to the wire which is
what is used to start the arc. It is shielded by inert gass and the
feeding wire also acts as a filler rod. A semi-automatic process.
MITERED
CORNERS
The joining of two members at angle that bisects the angle of junction.
In mouldings this is most often a 45 degree angle.
MONOLITHIC
GLASS
A single piece of glass. See Carrier Glass.
MONOLITHIC
LOAD
MULLION
An intermediate
connecting member used to ""marry"" two or more
windows or doors together in a single rough opening. A mullion may give
added strength to the connection for stability and prevent air and moisture
from penetrating in some applications.
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N
NAVAL
BRASS
A copper
alloy containing nominally 85% copper, 2% lead and 13% zinc.
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O
O/A GLASS
Refers to overall thickness of multiple glass makeup.
OXIDE HEATING FILM
Similar to low E coating this film is applied to glass to act as a heating
source for electrically hearted glass.
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P
POLYCARBONATE
Rigid plastic that is easy to handle and can be cut to size. It
is less susceptible to breakage than glass products. Scratches very
easily but can be supplied with mar resistant coating.
PORTHOLE
See Portlight below.
PORTLIGHT
A window in the side of a vessel, usually round or with rounded
corners. Portlights can be hinged to open or fixed shut. They may
also come with a Deadlight.
POWDER
COAT
Polyester or polyurethane baked on painted finish available in
many standard and custom colors.
PROFILE
The cross-section of an extruded part, usually rubber or metal.
PVB
Polyvinyl butyral - a plastic layer used between glass pieces in the
laminating process.
PYROLYTIC
GLASS
A coating or ""hardcoat"" that is typically applied
to the glass in a vacuum chamber or applied while it is still in the
semi-molten state.
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Q
QUADRANT
ARM
A multi-position
hold open device.
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R
RADIUS
CORNERS
An arc
or bend in the corner of a fabricated window or door.
RETAINING
RING
A metal extruded profile (aluminum) that is the same size as the
closure. The ring clamps the window or door into the bulkhead or opening.
RING
MOUNTED
A window that is attached with a clamping ring.
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S
SAFETY
GLASS
Glass
that is treated to prevent injury in the event it is broken. Tempered
glass, when broken, will break into tiny pieces and laminated glass
will crack without breaking apart into dangerous shards. Laminated
usually stays in the opening.
SIDE
SCUTTLE
See Portlight.
SINUSOIDAL
FORM
The wave in the wire type of heated glass.
SOLAS
International Convention for the Safety of Life at Sea (IMO).
SOLEX
A lightly tinted green glass used to diffuse UV light. (manufactured
by PPG).
SPIGOT
A perimeter flange 90 degrees to the window plane. It is a male fitting
that fits into the bulkhead cutout.
SPRING
BALANCE
A window mechanism that holds up glass or glass units. It also helps
control the force needed to raise and lower the window.
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T
TEMPERED
GLASS
Glass
is heat treated and then cooled in a controlled enviornment to improve
tensile strength. Tempered glass shatters into many small pieces when
under stress.
TERMINAL
BLOCK
Plastic block containing brass/steel connectors to join the heated
glass grid to the external power supply.
THERMAL
BREAK
A low conductive material used between a window or door to reduce
the passage of heat and cold.
TIG
WELD
Tungsten Inert Gas welding. A slower process than MIG welding but
more precise. It can be used at lower amperages for thinner metal
and can be used on exotic metals. This type of welding takes longer
to learn than MIG welding.
TRIM
RING
A perimeter metal ring which covers and attaches to joiner wall. Sometimes
called a window box.
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W
WAIST
RAIL
Window
material at the base of the window spanning the width of the window.
When the window is installed this is usually at the waist height and
holds clamping mechanisms for vertical sliding windows.
WALK
THRU
The area of the doorway in which a person passes through.
WATERTIGHT
No water penetration under a 10 foot head pressure.
WEATHERTIGHT
The resistance to the weather and outdoor elements. Weathertightness
is not necessarily waterproofing, but rather ensuring against undue
dampness and damage to the interior.
WELD
IN
The closure is mounted by welding the frame to the bulkhead or hull.
WINDOW
BOX
See Trim Ring.
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