StonePly: Stone Glossary

J

Joint
The gap between installed StonePly stone panels or between a StonePly stone panel and the adjoining material.
Jointing plan
Architectural drawing describing dimensions, location, and configuration of stone units and joints as related to structure.

K

Kerf
In traditional stone cladding, a kerf is a cut or incision into the edge of a stone slab with a saw blade for insertion of anchors. This is a relatively weak attachment.
Keystone
The central wedge-shaped stone of an arch, sometimes sculpted or otherwise embellished.

L

Lamination
The application of adhesive to two pieces of stone together to produce an edge that can be shaped to create an aesthetic appearance for counter tops.
Limestone

A sedimentary rock consisting predominantly of calcite or dolomite. The varieties of limestone used as dimension stone are usually well consolidated and exhibit a minimum of graining or bedding direction. See definition of limestone group in ASTM C119.

Lintel
A horizontal beam or stone place over an opening in a wall that carries the weight of the wall above it.
Lippage
A situation where one edge of a stone panel is higher than the adjacent stone panels edges, giving the finished surface an asymmetrical appearance.