\u00a9 2021 wikiHow, Inc. All rights reserved. Let this stand for about for 5-10 minutes, allowing the epoxy to seep into the seams and cracks of the granite. To do this, you’ll first need to grind the surface with a diamond bit to create granite dust. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. This article has been viewed 53,603 times. Often you can repair a separated crack in the granite countertop by filling in the gaps with an epoxy glue that matches the color of the stone. Apply the tinted epoxy to the chip or crack with a putty knife. As long as you do it correctly, it should be very hard to tell that the granite has been chipped. In order to reach the desired color, granite dust can be mixed together with the epoxy for pigmentation. Filling the Crack: Once the granite sink is cleaned, you will now be able to observe the crack clearly. However, do remember epoxy tends to shrink, so over filling is better than under filling. Ideally you should collect granite dust ground from a slab that’s very similar to yours. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. This will help you clean up the remaining epoxy later. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Wear a dust mask that is rated for this type of particulate. Mix until your epoxy and granite dust mixture is a similar color to the granite countertop. Filling Hairline Cracks and Chips Determine whether the crack or chip needs to be repaired … The cracks in your granite bench top are now filled in. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Include your email address to get a message when this question is answered. https://countertopguides.com/guides/repair-fissures-cracks-chips-countertops.html, http://bathandgranite.com/blog/repair-chipped-cracked-granite/, https://www.familyhandyman.com/carpentry/how-to-use-epoxy-resin-like-a-pro/view-all/, https://www.thisoldhouse.com/ideas/all-about-stone-countertops, Please consider supporting our work with a contribution to wikiHow. % of people told us that this article helped them. This is to sand down the epoxy “scar” and make the whole surface look like one again. I looked at a crack in April … The hardener will help the epoxy to set and ensure the strength of the chip repair. 75. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Bonstone Crack Repair 31 is a low viscosity epoxy cartridge system generally used for injecting into horizontal thin cracks in stone. Experiment with tinting the epoxy to get the color right. Start by selecting the material you will use for the repair. Tongue depressors work exceptionally well for this job. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Wipe away excess epoxy with acetone on a paper towel without disturbing the granite. On vertical applications a capping compound should be used to seal the crack. This can be a piece of angle iron or other L-shaped bracket that can hold the granite's weight during and after the repair.