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Natural Stone Industry Glossary

Search Results: 22 Terms Found
BACK ARCH 
A hidden arch that carries the load of a wall when the exterior face is carried by a lintel
BACK FILLING 
The process of refilling dirt removed during construction or the masonry built behind a facing.
BACKING ROD 
Also known as a filler strip that is composed of a compressible and flexible substance often installed at joints.
BACKING 
The exterior facing of a veneer that is designed to resist load.
BACKSPLASH TILE
Tiles that are used for kitchen wall areas - above sinks, ranges, and other areas.  
BANKER 
The surface (often times a workbench) where stone is cut, polished and finished.
BASALT 
A volcanic rock with fine grains that often has a columnar structure. Low in silica and is generally charcoal or black in color. Unlike granite, it contains little or no quartz or feldspars.
BASE BLOCK 
A block at the base of a column or casing which the baseboard abuts.
BASE COURSE 
Sub layer of walls, supports or piers.
BATTED 
A finish applied to stone type surfaces featuring parallel tool marks.
BED JOINT 
A joint, normally horizontal, between stones that is filled with sealant or mortar.
BED 
Geological formation of rock marked by planes separating layers from layers as in sedimentary strata. Beds can be differentiated by particle size, mineral type or rock.
BEDDING PLANE
The sedimentary stone in its original horizontal plane.
BELT COURSE 
Romanesque style of architecture that features continuous layers or rows of tiles, bricks, shingles, or stones on a vertical surface.
BENCH 
A seat of cubic stone or the steps that are formed in quarries as a result of the removing of stone slabs in bed joints.
BERM 
Raised banks or a strip of land that borders a river or canal.
BIOTITE 
A micaceous mineral that is black, dark brown or green.
BLACK GRANITE 
A deep black igneous rock with medium to coarse visible grains and veins.
BLEED 
The staining of surrounding areas caused by putties, mastics, paints, caulks, and other compounds.
BLENDS 
A water repellent mixture comprised of raw materials.
BLUESTONE 
Sandstone that is quarried exclusively in western Pennsylvania or New York state.
BRECCIA 
Angular fragments of stones joined together. "Monogenetic Breccia" is comprised of a single mineral or rock. "Polygenetic Breccia" is comprised of a variety of rocks.