A horizontal framing member designed to carry a load from a set of joists or a roof and spanning an open space. Usually 6" x 6" or 4" x 10" or larger.
Beam anchor
Metal fixture at the end of a beam to fasten the beam to a structure.
Beam and slab construction
Reinforced concrete slab with structural beam support.
Beam angle
The angular dimension of the cone of light from reflectorized lamps( such as r and par types) encompassing the central part of the beam out to the angle where the intensity is 50% of the maximum. The beam angle sometimes called the "beam spread" is often part of the ordering code for reflectorized lamps. Example.
Beam ceiling
A ceiling in which the ceiling beams are exposed to view.
Beam clamp
A device to attach a pipe hanger to an overhead I-beam. These may be malleable, carbon steel, or galvanized, and may be primed or painted.
Beam compass
Used for drawing large diameter circles, it's a bar with a pen or pencil at one end and a point at the other.
Beam fill
Firestops provided by filling spaces in some buildings with masonry.
Beam radiation
Solar radiation that is not scattered by dust or water droplets.
Beam spread
A measure of the spread of light from a reflectorized light source. The beam spread may be narrow (narrow spot), wide (wide flood), or something in-between (narrow flood).
