Bonstone Last Patch Gel


  • Aesthetic patches and repairs on fine grained stones
  • For use indoors or outdoors
  • Seams for countertop barbeque areas
  • Patching face pins on stone panels
  • Crack repair from hairline to ¼ inch
  • Surface patching to “Dutchman Joints”
  • Monument repairs
  • Building facade repairs, chips, spalls and sign hold repairs
  • Countertop repairs
  • Floor and tile restoration
  • Crack repair in stone panels and sills
  • Patching exterior pavers and steps

Bonstone Last Patch™ Gel is an exterior grade, UV stable stone repair compound for granite, marble, travertine and other honed to polish limestone surfaces. This resistance to sunlight sets Bonstone Last Patch™ Gel apart from nearly ALL other products in the market.

Benefits & Attributes

  • Very fast setting – quick traffic and scaffold time
  • UV stable – withstands sun exposure without discoloring
  • Exceptional strength and durability
  • Slightly flexible to absorb movement in stone
  • Will cure at below-freezing temperatures with our Accelerator
  • Bonstone Touchstone Liquid Tints are available to create a closer custom color
  • Hold through freeze-thaw / no shrinkage / no pop offs
  • For even faster set time, use Last Patch Accelerator. This is not recommended for work over 85°F.

Usage Video

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