Incandescent: The
most commonly used household bulb, which emits light
through a wire filament.
Initial Load Deflection
(ILD): A measure for the firmness level of
foam used in upholstered furniture and mattresses.
Inlay: Decorative
patterns created with pieces of different woods
or other materials, which have been set into the
surface of wood furniture.
Inner Quilt: A true
pillow top mattress will have an inner quilt, which
means that the first layers of upholstery are actually
covered with a layer of fabric that is sewn to
the tape edge of the mattress. Some so called pillow
tops do not have inner quilts. These imitation
pillow tops have border panels around the perimeter
with two tape edges to give the appearance of a
pillow top.
Inner Tufting: A very durable method of attaching and combining layers
of padding below the quilted cover of a mattress to prevent shifting and settling
of the padding layers. This method is rarely used in mass-produced mattresses
due to the labor intensive process.
Innerspring Unit: The
spring and wire units made up primarily of coils,
helical wires and border wires, which is the inside
of an innerspring mattress. Some upholstered furniture
such as sofas and loveseats can also feature innerspring
units.
Inset Tile: A tile
with a different design than the surrounding body
of tiles.
Insulator: A mattress
component that separates and protects the mattress
cushioning from its innerspring coils. Common insulators
consist of a compressed polyester fiber pad, compressed
cotton, or a polypropylene mesh screen.
Intaglio: An illustration
or design cut into a surface.
Intarsia: A
technique of sinking a decorative design across
an entire surface.
International Style: Functional modern furniture style developed in Europe during the 1920’s
and 1930’s. The most important origin of
this style was Germany's Bauhaus School. Simple
lines and an absence of decoration are hallmarks
of this design. Popular materials used included
chrome and glass.
Iron Bed: Term commonly used to describe beds made of metal that are
coated with colored finishes.
Italian Provincial: Loose term applied to furniture of the Italian provinces made during the
1700’s to mid 1800’s. These pieces,
although more rustic, copied the elaborate furniture
styles of Milan, Venice, Rome and Florence. Later
pieces (Late Italian Provincial) were heavily influenced
by French design. The pieces feature simplified
lines and lack ornate decorations. Very few of
these pieces are reproduced today.
Italian Renaissance: Popular through the 1400’s to 1600’s. Italian Renaissance
furniture features a very rich appearance and is
decorated with carving, inlay, and marquetry. Chairs
have a very straight construction and are built
with flat runners. Chairs usually have very sturdy
stretchers. Tables are very big and elaborately
decorated. Tables have stretchers and are rectangular
in shape. Most pieces are made of walnut.
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