O
C |
On Center- The measurement of spacing
for studs, rafters, and joists in a building from the center
of one member to the center of the next. |
Oakum |
Loose hemp or jute fiber that's impregnated with
tar or pitch and used to caulk large seams or for packing plumbing
pipe joints |
Open hole
inspection |
When an engineer (or municipal inspector) inspects
the open excavation and examines the earth to determine the
type of foundation (caisson, footer, wall on ground, etc.) that
should be installed in the hole. |
Oriented
Strand Board or OSB |
A manufactured 4' X 8' wood panel made out of
1"- 2" wood chips and glue. Often used as a substitute
for plywood. |
Outrigger |
An extension of a rafter beyond the wall line.
Usually a smaller member nailed to a larger rafter to form a
cornice or roof overhang. |
Outside
corner |
The point at which two walls form an external
angle, one you usually can walk around. |
Overhang |
Outward projecting eave-soffit area of a roof;
the part of the roof that hangs out or over the outside wall.
See also Cornice. |
|
|
