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109<br />
per cubic volume, usually expressed<br />
in pounds per cubic<br />
foot. Often referred to when<br />
discussing foam.<br />
Double tempering: Heating of wire<br />
components, usually in an oven, after<br />
they have been given shape or<br />
form and have been electronically<br />
stress-relieved. Refers to tempering<br />
coils as well as border rods and<br />
helicals in a complete spring unit.<br />
Dual-purpose: A broad term used<br />
to include all sleep pieces, which<br />
can be converted to other uses,<br />
including: convertible sofas,<br />
high-risers, daybeds, futons, etc.<br />
See Convertible Sofa.<br />
Dust cover: A woven or non-woven<br />
fabric attached to the underside of<br />
a foundation to prevent the collection<br />
of dust inside. May also be<br />
known as “sheeting” or “cambric.”<br />
Edge guard: Generally an extra<br />
component added to the edge of a<br />
mattress and/or box spring to give<br />
support on the sides.<br />
Engineered edge support: A special<br />
design where the coils on the<br />
outer edge of an innerspring unit<br />
are actually positioned under the<br />
border rod. Most units have the<br />
coils recessed from the edge, which<br />
can contribute to a “roll out of bed”<br />
feeling.<br />
Euro-top mattress: A mattress featuring<br />
a raised, squared-off surface<br />
finishing treatment filled with soft<br />
comfort layers and attached to the<br />
mattress upholstery at the tapeedge.<br />
Fabric cover: Cloth or textile material<br />
woven, knitted or felted of<br />
any fiber or mixture of fibers. Often<br />
referred to as “ticking” or mattress<br />
fabric.<br />
Fales pad: Compressed cotton felt<br />
that is stitched together to better<br />
retain compression.<br />
Fiber pad: Usually refers to manmade<br />
or natural fibers (wool, silk,<br />
etc.) that are garnetted, needled,<br />
carded and/or bonded together.<br />
Often used in quilting panels for<br />
mattress tops.<br />
Filler cloth: Refers to a plain fabric<br />
used on the top of a foundation<br />
instead of ticking. Commonly offers<br />
non-skid characteristics.<br />
Flanging: The process whereby a<br />
strip of fabric is sewn to the edge<br />
of the mattress cover and, in the<br />
assembly process, secured to the<br />
perimeter of the innerspring unit to<br />
prevent the cover and filling materials<br />
from shifting.<br />
Foam foundation: Consists of a<br />
built-up wood slat frame covered<br />
with a sheet of cardboard or similar<br />
material, topped with at least 2” of<br />
foam and covered with ticking.<br />
Foundation: Any base or support<br />
for a mattress, sometimes<br />
used as a generic term for box<br />
spring. A foundation may be<br />
made entirely of wood or a<br />
combination of wood and steel<br />
or steel springs. See Box Spring<br />
and Foam Foundation.
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