Lean-To

A structure dependent upon another structure for partial support and having only one slope or pitch.

Liner Panel

Interior wall or roof sheeting attached to the inside flanges of the girts or purlins.

Lintel

A beam (either concrete or steel) in masonry walls placed above doors, windows or openings to support masonry above.

Live load

Any variable load that results from intended use of the structure during its lifetime.

Loads

Anything that causes a force to be exerted on a structural member. Examples of different types of loads are a. Dead Load b. Live Load c. Impact Load d. Seismic Load e. Wind Load f. Crane Load g. Auxiliary Load h. Collateral Load

Longitudinal

The direction parallel to the ridgeline.

Louver

A wall opening provided with slanted blades, fixed or movable, to allow flow of air inside the building.