Definition of the term Lath and Plaster
The most common wall finish prior to the introduction of drywall. Thin wood strips (lath) were nailed onto the framing as a base for the sand/lime plaster.
Definition of the term Lath
A building material of wood, metal, gypsum, or insulating board that is fastened to the frame of a building to act as a plaster base.
Definition of the term Lateral (Electric, Gas, Telephone, Sewer and Water)
The underground trench and related services (i.e., electric, gas, telephone, sewer and water lines) that will be buried within the trench.
Definition of the term Lap Cement
An asphalt-based cement used to adhere overlapping plies of roll roofing.
Definition of the term Lap
To extend one material partially over another; also, the distance so extended.
Definition of the term Landing
A platform between flights of stairs or at the termination of a flight of stairs.
Definition of the term Laminated Shingles
Shingles that have added dimensionality because of extra layers or tabs, giving a shakelike appearance. May also be called "architectural shingles" or "three-dimensional shingles."