Natural Stone Industry Glossary

Glossary is usually defined as an alphabetical list of technical terms in some specialized field of knowledge. This Natural Stone industry glossary provides a collection of industry terms that define many products and technical terms. These terms are arranged alphabetically, but you can quickly jump to specific term by selecting its first letter from the index of the glossary below.

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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.