Tie-Down: Hardware used to anchor the vertical
Oriented Strandboard: A structural panel
chord forces to the foundation or framing of the
comprising thin elongated wood strands with surface
structure in order to resist overturning of the wall.
layers arranged in the long panel direction and core
Time Effect Factor: A factor applied to adjusted
layers arranged in the cross panel direction.
resistance to account for effects of duration of load.
Panel: A sheet-type wood product.
rigidity of a panel, the product of panel thickness and
modulus of rigidity.
Panel Shear: Shear stress acting through the panel
thickness.
Platform Framing: Construction method in which
stud walls are constructed one floor at a time, with a
floor or roof joist bearing on top of the wall framing
at each level.
Plywood: A structural panel comprising plies of
wood veneer arranged in cross-aligned layers. The
plies are bonded with an adhesive that cures upon
application of hear and pressure.
Pressure-Preservative Treated Wood: Wood
products pressure-treated by an approved process and
Row of Fasteners: Two or more fasteners aligned
with the direction of load.
Wood and Light Metal Framing continued:
Sheathing: Lumber or panel products that are
attached to parallel framing members, typically
forming wall, floor, ceiling, or roof surfaces.
Structural-Use Panel: A wood-based panel product
bonded with an exterior adhesive, generally 4'x 8'
(1.2 x 2.4m) or larger in size. Included under this
designation are plywood, oriented strand board,
waferboard, and composite panels. These panel
products meet the requirements of PS 1-95 (NIST,
1995) or PS 2-92 (NIST, 1992) and are intended for
structural use in residential, commercial, and
industrial applications.
Stud: Wood member used as vertical framing
member in interior or exterior walls of a building,
usually 2" x 4" or 2" x 6" (50mm x 100mm or 50mm
x 150mm) sizes, and precision end-trimmed.
Tie: See drag strut.
C-11
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