fixing cracked corian countertop
How do I repair a hairline crack in my Corian countertop without having to cut out a section? Thanks! I would leave that to a local Corian specialist. They have the tools and know do it so it does not show. Attempting to fix it yourself could lead to expensive problems at worst, and unsightly top at best. Just Bill is correct. The damaged area needs to be removed and replaced with new material, probably with a pie shaped repair piece. Color matched material from the original job will work best, but if it's real Corian there's a good chance new material that a fabricator has on hand will work fine. The only issue is color match. I recently repaired a top that was damaged during installation with Corian I had on hand and it was fine. Yeah, it's a DIY site, but this isn't a DIY job. Where is the crack and how big is it? Is it black in the crack? If so, you can let bleach run in (or make a slurry of bleach and comet) and use toothbrush after you allow it to sit, to at least probably get rid of that. I also have been watching that Mighty Putty ad on tv lately, and wondering. Aren't some crack repairs in various hard surfaces made by using a powder (like marble dust, granite dust, etc.) of the same material and a binding adhesive of some type? Does anybody know if such a technique is used on Corian repairs and then sanded/finely jewelry quality buffed out later? If it's just a crack it should be able to be repaired fairly easily by some one who installs corian tops or similar tops. As long as it is just a crack and nothing more the person who is going to repair this should only have to router out a groove where the crack is located all the way thru the top using 1/4 router bit and fill the groove with the same adheasive that was used to glue the top togeather when it was made and allow it to set up which should only take about 1/2 hour or maybe alittle more depending on room tempature and then all the person needs to do after that is sand the area smooth to the existing top and depending on the type of finish either a matte finish or glossy finsih, but with that said the person who does this should sand the entire counter top not just the area of the repair so everything blends in nicely and if done right you should not beable to tell where the repair was done. Let us know how things turn out for you. I would call the people who made the top to do the repair provided they did a acceptable job when it was first installed. Cracks in a Corian (or any Solid Surface top) tend to travel over time, and open up if not repaired properly. Trying to simply clean out the crack with bleach or other cleaners will fail because it's doubtful you can get it completely clean and get the crack filled clear through. If it's not completely filled the crack will reappear and travel further into the top. Also, it needs to be cleaned with denatured alcohol before seaming it together. To route a 1/4 groove and fill with adhesive may work, but would not be a satisfactory repair. It most certainly would not match the top, even if the top is a solid color, and especially if the top is a pattern. Some (mostly regional) solid surface companies make repair kits with adhesive and crunchies (particulates) which are used to repair tops after routing out the damaged area, but Corian and the other major companies do not. There is a company that makes kits using epoxy (NOT ADHESIVE) with the crunchies to match most Corian colors, but these are meant to be used for surface inlays, not for repairs. DanW13's last sentence makes the most sense--call the fabricator who installed the top and have them repair it. Another thing to check is to see if it's under 10 years old and still in warranty. If so, the original fabricator will probably want to repair it to avoid a backcharge from his distributor if it's determined to be fabricator error. Good luck
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