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Natural Stone Industry Glossary

Search Results: 25 Terms Found
LIMESTONE 
A hard sedimentary rock composed of calcium carbonate or dolomite created from the decomposition of marine organisms.
LINE PIN 
In masonry, a metal pin that is used to attach a line for alignment.
LINERS 
A structured engineered section of masonry structures that are constructed to give strength, increase joint depth and in the cases of chimneys provides fire resistance.
LINTEL 
A horizontal beam or other support structure of concrete, steel, timber or stone across an opening such as a door or window.
LIPPAGE 
An uneven floor surface that occurs when tiles or stones are not laid flat. Typically lippage should not be greater than 1/32 of an inch.
LIPPING 
The result when flooring or paving surfaces are not flat or the adjoining pieces of tiles or stones are warped causing an uneven surface where one of material pieces is higher.
LOAD BEARING 
A supporting wall or structural system that is designed to carry structure loads.
LUG SILL 
A stone sill that is set into the jambs on either side of a masonry opening.
LUG 
In masonry terms, a slightly protruding stone that is used to attach to a bordering structure.
LAMINATION 
The process of adhering two pieces of stones or other surfaces together.
LANDSCAPE STONES
Natural stones cut for landscaping projects including driveways, outdoor fireplaces, and other projects.
LAP 
The process of overlapping one surface with another.
LATERAL SUPPORT 
Engineering practice where walls and columns are braced by floors, beams, roofs or walls.
LATEX ADHESIVE 
An emulsion of rubbers and resins used to adhere a variety of surfaces together.
LAVA 
Igneous rocks that were created by volcanic activity. These include rhyolite and basalt.
LEAN MORTAR 
A mortar that is difficult to spread due to its cement component deficiency.
LEGS 
The vertical dimension of a stone used on sides of vertical openings including fireplaces.
LEDGER PANELS
Ready to install panels of stone for fireplaces and walls that have the appearance of individually stacked or laid stones.
LEDGER STONE
A flat horizontal slab of stone used in foundations.
LEGS 
In masonry work, the vertical stones used to line a fireplace opening.
LEWIS BOLT 
An anchor bolt that has a conical base where concrete is poured to secured.
LEWIS HOLES 
Holes that have been cut or drilled into stone for the lifting or installation of stones with anchor bolts.
LIME HYDRATED 
A quicklime that has water added to convert inherent oxides to hydroxides.
LIME PUTTY 
A hydrated lime in a plastic form ready for the addition to mortar.
LIME-HYDRAULIC 
A compound that has a chemical reaction with water.