Williams Stone Company offers a full line of vertical curbing, straight or curved, in a wide variety of surface finishes, edge details and joints, as follows:

Standard Sizes

  • Widths: 4 inches and wider
  • Depths: 4 to 24 inches
  • Lengths: up to 10 feet *
  • Radius curves: 1 to 125 feet

* Standard curbing are typically random in length (3 - 10 feet); however,
   cut-to-length units are available upon request.

Finish Options

There are a variety basic finish options available which may be applied to the top and face of a vertical curb. Any combination of these finish treatments may be specified, i.e., sawn top & split face; thermal top & split face; etc.

  • Sawn top: most common; slabs for curb are typically sawn top and bottom; the top of the curb has a smooth finish created by saw cutting.
  • Split face (standard): a natural face created when the slab is split on a guillotine; the resulting face of the curb has a rough finish.
  • Spit top: the top of the curb has a rough finish created by being split; for an historic look
  • Thermal top: fine stipple finish for aesthetic look or traction in pedestrian areas.  Slab is processed through a thermaling machine, then split or sawn into curb.
  • Sawn face: the face of the curb has a smooth finish created by saw cutting.
  • Clean back: protrusions greater than 1/4-inch are removed using hand tools to create a tighter tolerance for when pavers are abutted to curb.
  • Sawn back: provides the tightest tolerance for when pavers are abutted to curb.

Edge Detail Options

There are five basic edge details that may be specified to the exposed edges of a vertical curb:

  • Straight edge (standard).
  • Buzzed: 1/4-inch camfer (or eased) edge.
  • Rounded edge: one or both edges are camfered and then rounded off to 1/2-inch or greater radius.
  • Chamfer: 45-degree bevel is standard, 1/2", 3/4" or 1".
  • Beveled mountable: 45-degree chamfer is standard, 3" x 3", 4" x 4" or 5" x 5".

Joint Options

There are three basic joint options that may be specified on vertical curb, depending on whether it is straight or curved:

  • Standard: a straight 90-degree cut, with each bottom corner knocked off to aid installation and provide a point to mortar one curb to another.
  • Full: a straight cut with 90-degree angles at top and bottom.
  • Mitered: an angled cut, top to bottom of curb reveal, allowing the end of one curb piece to butt.