Oil Canning
A waviness that may occur in flat areas of light gage, formed metal products. Structural
integrity is not normally affected by this inherent characteristic and therefore is only an
aesthetic issue.
Open Web Steel Joists
Light weight truss.
Order Documents
The documents normally required by the Manufacturer in the ordinary course of
entering and processing an order.
OSB
Oriented Strand Board (OSB) is composed of rectangular-shaped wood strands which
are cross-oriented, compressed, and glued together with waterproof adhesives. OSB is
often used in both residential and non-residential construction, such as floors, walls
and roof sheathing. Note: Particle Board is not considered OSB, and should not be
used in roofing applications.
Outrigger
See "Auxiliary Crane Girder".
Overhanging Beam
A simply supported beam that extends beyond its support.
Overhead Doors
See "Sectional Overhead Doors".