Last Patch™ Gel


Bonstone Last Patch™ Gel is a UV stable, stone patching compound for glossy stones like granite.


Product InformationZero VOC Product

  • Mix Ratio = 1:1 by volume
  • Set Time = 45 min @ 75°F
  • UV Stable, will not yellow
  • Fast setting
  • Allows for slight movement
  • Will not shrink
  • Will cure at below freezing temperatures with Universal Accelerator
  • High gloss finish, can be sanded for honed look
  • Can be tinted using Touchstone™ Liquid Tints
  • Available sizes: 2oz Kit, Pint, Quart


  • Patching chips, holes, spalls, and face pins
  • Surface patching to Dutchman joints
  • Crack repair from hairline to 1/4″
  • Cemetery and monument repairs
  • Countertop repairs
  • Flooring and tile repairs

Additional Information

Additional information

Weight N/A

2oz Kit (1oz Jar + 1 Tube Universal B), Pint Kit (1 pt A + (3) 5 oz Tubes Universal B with Tube Key), Quart Kit (1 qt A + (6) 5 oz Tubes Universal B with Tube Key)