StonePly: Stone Glossary
P
- Panel
- An individual portion, section, or division of fabricated stone veneer.
- Parging
- Applying a thin coat of plaster or mortar to the face of the backup material.
- Parapet
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- A low protective wall or barrier at the edge of a terrace, roof, or balcony.
- The portion of wall above the roof of a building.
- Patina
- A condition wherein the surface of a material has changed in color or texture due to age or exposure to various elements.
- Pedestal
- In classical architecture, the support for a column, statue or vase consisting of a base, dado, and cap.
- Pediment
- A low gable end of a roof in classical architecture, triangular with a horizontal cornice and raking cornices and the tympanum. It is typically triangular, but can also be curved when applied as a decorative element over windows.
- Pergola
- Garden structure formed by two rows of posts or columns with joists and open framing above, often covered by climbing plants and shading a walkway.
- Pilaster
- A shallow, rectangular, engaged pier or column projecting from a wall, typically decorative.
- Pillowed
- A stone slab finish that features softly rounded edges projecting a pillowed look.
- Pitched stone
- A rough stone face or edge, shaped with a pitching chisel.
- Plinth
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- The lower block at the junction of the stone base and trim around a door or other opening.
- The lower stone block of a column or pedestal.
- Plutonic
- Pertaining to a class of igneous rocks formed beneath the surface of the earth, typically with large crystals owing to the slowness of cooling.
- Polished finish
- A glossy stone surface finish that exposes the full color and character of the stone. Produced by polishing with successively finer grits of abrasive and special diamond polishing pads. http://stoneply.com/finish_options
- Porphyry
- An igneous stone containing distinct and contrasting sizes of coarse and fine-grained crystals used as a decorative building stone or cladding.
- Portico
- A porch or walkway formed by a roof supported with columns, similar to a temple front.
- Privacy partition
- A thin stone panel between urinals. See urinal screen.
Q
- Quarrier
- Company or person that extracts natural stone from a quarry.
- Quarry
- An open excavation or pit where a deposit of stone is extracted from the earth through an open pit or underground mine.
- Quarry block
- Generally, a rectangular piece of rough stone from a quarry, frequently dressed (scabbed) or wire sawed for shipment.
- Quartz
- A silicon dioxide mineral that occurs in colorless and transparent or colored hexagonal crystals or in crystalline masses. One of the hardest and most common minerals, the chief constituent of sand and sandstone, granite, and quartzite.
- Quartz based stone
- A stone that is classified as either sedimentary in formation as in sandstone, or metamorphic, as in quartzite. Definitions of the classes of stone which form the quartz based stone group are explained in ASTM C119.
- Quartzite
- A granular metamorphic quartz based stone formed in exceedingly hard layers. In some deposits, intrusion of minerals during the formation process create unusual coloration.
- Quirk miter joint
- An external corner formed by two stone panels at an angle, with meeting edges mitered and with visible portions finished.
- Quoin
- One of the decorative dressed stones or bricks used at the corner of a building emphasized by size, projection, rustication, or by a different finish. Quoins are usually laid so their faces are alternately large and small.
R
- Random slab
- A variable, limited, trimmed stone slab with a width and length that is not preset.
- Rabbet
- A deep notch formed in the surface along an edge so as to receive another piece similarly cut.
- Rake
- An angular cut or slot on the face of a stone panel.
- Reglet
- A narrow, flat, recessed molding, or a kerf cut to receive and secure flashing.
- Relief
- Stone carving or embossing raised slightly, half or above a background plane, as in a bas-relief.
- Reprise
- Inside angle of a stone member with a profile other than a flat plane.
- Resin
- A chemical product, clear to translucent yellow or brown, solid or semisolid, used in some coating processes or treatments.
- Return
- The right-angle turn of a molding such as wood or stone.
- Reveal
- The visible portion of a stone between its outer face and a window or door set into an opening.
- Rift
- The most pronounced appearance of splitting or cleavage of stone. Rift and grain may be obscure, as in some granites, but are important in both quarrying and processing stone.
- Rise
- The height or elevation of a stone, generally used in reference to veneer stone.
- Rock (pitch) faced
- Similar to split faced, except that the face of the stone is pitched to a given line and plane, producing a bold presentation rather than the comparatively straight face obtained in split face. http://stoneply.com/finish_options
- Rough sawn
- A surface finish produced from the gang sawing process.
- Rustication
- Exterior masonry cut in large blocks with deeply chamfered joints. Cut stone surfaces can be smooth or rough-textured, and joints and faces can have various treatments.
