Girder vs. Joist

Girdernoun

A beam of steel, wood, or reinforced concrete, used as a main horizontal support in a building or structure.

Girdernoun

One who girds; a satirist.

Girdernoun

One who girds; a satirist.

Girdernoun

One who, or that which, girds.

Girdernoun

A main beam; a stright, horizontal beam to span an opening or carry weight, such as ends of floor beams, etc.; hence, a framed or built-up member discharging the same office, technically called a compound girder. See Illusts. of Frame, and Doubleframed floor, under Double.

Girdernoun

a beam made usually of steel; a main support in a structure

Girdernoun

a large iron or steel beam or compound structure used for building bridges and the framework of large buildings

Girder

A girder is a support beam used in construction. It is the main horizontal support of a structure which supports smaller beams.

Joistnoun

A piece of timber laid horizontally, or nearly so, to which the planks of the floor, or the laths or furring strips of a ceiling, are nailed.

Joistverb

(transitive) To fit or furnish with joists.

Joistnoun

A piece of timber laid horizontally, or nearly so, to which the planks of the floor, or the laths or furring strips of a ceiling, are nailed; - called, according to its position or use, binding joist, bridging joist, ceiling joist, trimming joist, etc. See Illust. of Double-framed floor, under Double, a.

Joistverb

To fit or furnish with joists.

Joistnoun

beam used to support floors or roofs

Joist

A joist is a horizontal structural member used in framing to span an open space, often between beams that subsequently transfer loads to vertical members. When incorporated into a floor framing system, joists serve to provide stiffness to the subfloor sheathing, allowing it to function as a horizontal diaphragm.