O definitions - Building Terms Dictionary

O definitions - Do you know architectual drafting or building terms starting with the letter "O"?

-A -B -C -D -E -F -G -H -I -J -K -L -M -N -O -P -Q -R -S -T -U -V -W -XYZ

Abbreviation for "on Center" meaning that the spacing framing members is measured from the center of the next, rather than the clear spacing between the members.

An S-shaped curve.

Oil-based caulk:
A low-range sealant made with linseed oil.

One-way action:
The structural action of a slab than spans between no parallel beams or bearing walls.

One-way concrete joist system:
A reinforced concrete framing system in which closely spaced concrete joists span between parallel beamns or bearing walls.

One-way solid slab:
A reinforced concrete floor or roof slab that spans between parallel beams or bearing walls.

Open-truss wire stud:
A wall framing member in the form of a small steel truss.

Open-web steel joist:
A prefabricated,welded steel truss used at closely spaced intervals to support floor or roof decking.

Optical-quaility ceramic:
A transparent, glasslike material that is used as a firerated glazing sheet.

Ordinary Construction:
A building type with exterior masonry bearing walls and interior structure of a balloon framing.

Organic soil:
Soil containing decayed vegetable and/or animal matter,topsoil.

Oriented strand board(OSB):
A building panel composed of long sgreds of wood fiber oriented in specific directions and bonded together under pressure.


Go Back Home or Top of page O definitions

Go To P definitions >>

Go To << N definitions