Clean the area with a toothbrush, using peroxide and rubbing alcohol, then heat with a hair dryer until the crack closes up. Fill with super glue and let dry for 24 hours. Afterward, sand with a fine-grit paper. For wider cracks, use an epoxy filler along with matching paint or shavings from the original surface.Click to see full answer. Correspondingly, how do you fix a crack in a solid surface countertop?Clean out and de-grease the crack using denatured alcohol. Set out two separate beads of epoxy filler and hardener on a disposable surface, as much as you think you’ll need to fill the crack plus a little more. Mix paint and/or original material shavings into the bead of filler to match the tine of the countertop.Secondly, how can I make my solid surface countertops shine? Solid Surface Clean the surface with soapy water and an ammonia-based cleaner (i.e. Softscrub, and avoid cleaners that leave behind residues.) For extra shine, clean with an abrasive household cleanser like Ajax or Comet and apply gently with a sponge. Do this once a month to maintain the original level of gloss. Considering this, how do you repair Corian countertops? Attach a 220-grit sandpaper disc to an orbital sander. Run the orbital sander at a low speed and delicately sand the edges and interior of the crack. Stop sanding when no raised or sharp edges remain. Remove any sanding dust from the crack with a moist paper towel, and then wipe the crack dry.How do I fix my acrylic countertop?Use a random orbital sander and 120-grit sandpaper. Sand the counter a second time using 180-grit paper, then use 220-grit sandpaper until the damage is gone and the counter surface is smooth. Buff out sanding marks on a matte-finish counter using a heavy-duty scouring pad.