International Building Code 802.1
General. The following words and terms shall, for the
purposes of this chapter and as used elsewhere in this code,
have the meanings shown herein.
EXPANDED VINYL WALL COVERING. Wall covering
consisting of a woven textile backing, an expanded vinyl base
coat layer and a nonexpanded vinyl skin coat. The expanded
base coat layer is a homogeneous vinyl layer that contains a
blowing agent. During processing, the blowing agent decomposes,
causing this layer to expand by forming closed cells. The
total thickness of thewall covering is approximately 0.055 inch
to 0.070 inch (1.4 mm to 1.78 mm).
FLAMESPREAD. The propagation of flame over a surface.
FLAME SPREAD INDEX. A comparative measure,
expressed as a dimensionless number, derived from visual
measurements of the spread of flame versus time for a material
tested in accordance with ASTM E 84.
INTERIOR FINISH. Interior finish includes interiorwall and
ceiling finish and interior floor finish.
INTERIOR FLOOR FINISH. The exposed floor surfaces of
buildings including coverings applied over a finished floor or
stair, including risers.
INTERIOR WALL AND CEILING FINISH. The exposed
interior surfaces of buildings, including but not limited to:
fixed ormovablewalls and partitions; toilet room privacy partitions;
columns; ceilings; and interior wainscoting, paneling or
other finish applied structurally or for decoration, acoustical
correction, surface insulation, structural fire resistance or similar
purposes, but not including trim.
SMOKE-DEVELOPED INDEX. A comparative measure,
expressed as a dimensionless number, derived from measurements
of smoke obscuration versus time for a material tested in
accordance with ASTM E 84.
TRIM. Picture molds, chair rails, baseboards, handrails, door
and window frames and similar decorative or protective materials
used in fixed applications.