A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Laminating– Bonding together two or more layers of materials.
Landing– A platform between flights of stairs or at the termination of a flight of stairs. Often used when stairs change direction.
Latch– A beveled metal tongue operated by a spring-loaded knob or lever. The tongue’s bevel lets you close the door and engage the locking mechanism, if any, without using a key. Contrasts with dead bolt.
Lateral – from the side (e.g. Lateral damp – damp penetrating from the side)
Lateral (Timber Roof Construction) – Sideways with respect to the truss or other member under construction.
Lateral brace (Timber Roof Structures) – member connected to certain truss members to prevent horizontal movement.
Lattice– An open framework of criss-crossed wood or metal strips that form regular, patterned spaces.
Leaf (Masonry) – A continuous, vertical section of a wall, one masonry unit width in thickness.
Level- True horizontal. Also a tool used to determine level.
Lintel– A horizontal structural member that supports the load over an opening such as a door or window.
Lintel (Masonry) – A beam spanning across an opening in a wall
Load bearing wall– Includes all exterior walls and any interior wall that is aligned above a support beam or girder. Normally, any wall that supports the roof structure.
Location block (Glazing) – A spacer, which ensures that there is sufficient side clearance between the glass and doors jambs or frames of pivoted, sliding or hinged windows.
Louver– A vented opening into the home that has a series of horizontal slats and arranged to permit ventilation.
Lumens– Unit of measure for total light output.