backer rod– usually round, flexible lengths of foam that are used as a “backing” in joints or cracks to help control the amount of sealant/caulking used and create a back stop.
baluster – a small pillar or column supporting a rail, used in balustrades.
balustrade – aesthetically pleasing type of fencing consisting of a series of balusters supporting a handrail or molding.
bevel edge– when the angle between two sides of a stone is greater or less than a right angle.
bluestone – a dense, hard, fine-grained, commonly feldspathic sandstone or siltstone of medium to dark bluish-gray color. The term has been applied particularly to sandstones of Devonian age that are being or have been quarried in eastern New York and Pennsylvania and in western New Jersey, but similar stones that occur elsewhere may be included.
brushed finish – obtained on the face of the stone by brushing with a coarse rotary-type wire brush.
building stone, natural – rock material in its natural state of composition and aggregation as it exists in the quarry and is usable in construction as dimension building stone.
brick-a molded rectangular block of clay baked in a kiln until hard and used as a veneer, building and paving material.
bullnose/fullnose – convex rounding of a stone member, such as a stair tread.