Knee Wall – Wall that is not high in comparison to the other walls in the structure.

Knob And Tube Wiring – Old style of wiring recognizable by porcelain knobs that hold the single strands of wire, and the tubes that insulate the wires as they pass through rafters or floor joists. In some cases this wiring is acceptable, in most cases it has been tampered with by previous homeowners adding outlets or lights. An evaluation by an electrician is strongly recommended.

Knockouts – Pre-punched sections/blanks that can be removed to connect conduit to a load center or junction boxes. Also on front panel of a breaker board.Landing – The platform our area between two flights of stairs or at the top of a single flight of stairs.

Laminated Shingles – Strip shingles containing more than one layer of tabs to create extra thickness. Also called three-dimensional shingles or architectural shingles.

Latent Defect – Defect that is not readily apparent but may become apparent at a later date.

Ledger Strip – Strip of wood fastened on the bottom side of a beam on which joists are secured.

Lintel – Structural member typically installed over a window or door opening in a masonry wall, or above a fireplace. Usually concrete or steel.

Load Bearing Wall – Wall that supports the weight of the structure above it. These walls cannot be removed without providing an alternative source of support.

Load Center – The fuse board or breaker panel that distributes the incoming electrical power to the various circuits in the home.

Louver – A series of slats that allow air to pass through permitting ventilation while excluding sunlight or rain from entering.