The Sparrow Peck or Convict Pick Finish is characterised by hand etched pitting of the surface of the stone. This heritage finish is commonly used as cladding and provides an exceptional, traditional feel to a building.


How to specify

General: Sandstone shall be Mount White - Brown sandstone by Gosford Quarries.

Stone Type: Mount White Sandstone

Colour: Brown

Stone Finish: Diamond sawn, gang sawn, honed, rockfaced, Sparrow pecked & custom

Sizes: As specified by architect

Fixing: Adhesive Material to be compatible to substrate medium. Stone cladding above 2.3 metres in height to be mechanically fixed. Refer to ASSA Natural Stone Design manual for more information.

Sealing: Sealer to be specified by designer or installer

Typical technical Specification

Bulk Density (ASTM C97-83): 2.27 tones/ 

Absorption by weight (ASTM97-83): 4.4%

Modulus of Rupture: 8.9Mpa Dry, 2.5MPa Wet

Compressive Strength (ASTM C170-87): 57MPa Dry, 22 MPa Wet

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