Clear concrete sealer for kitchen floor?

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Author Message David G. Axt, CCS, CSI ,SCIP Senior Member Username: david_axt Post Number: 1551 Registered: 03-2002 Posted on Thursday, April 06, 2017 - 01:44 pm:    My architectural client wants to use a clear concrete sealer on the floor in a commercial kitchen in a school. I do not think this is possible and have not found a product that is USDA approved. I have always specified either quarry tile or resinous floors in that application. Do you know of a clear concrete sealer that can be used in a commercial kitchen? Thanks. David G. Axt, CCS, CSI, SCIP Specifications Consultant Axt Consulting LLC Ronald L. Geren, FCSI, AIA, CCS, CCCA, SCIP Senior Member Username: specman Post Number: 1441 Registered: 03-2003 Posted on Thursday, April 06, 2017 - 02:07 pm:    http://protective.sherwin-williams.com/detail.jsp?A=sku-26285%3Aproduct-6875 Ron Geren, FCSI, AIA, CCS, CCCA, SCIP www.specsandcodes.com Ronald L. Geren, FCSI, AIA, CCS, CCCA, SCIP Senior Member Username: specman Post Number: 1442 Registered: 03-2003 Posted on Thursday, April 06, 2017 - 02:09 pm:    Oops, says it cannot be used as a clear top coat. Ron Geren, FCSI, AIA, CCS, CCCA, SCIP www.specsandcodes.com Wayne Yancey Senior Member Username: wayne_yancey Post Number: 814 Registered: 01-2008 Posted on Thursday, April 06, 2017 - 02:11 pm:    Try Ashford Formula Chris Sanders Advanced Member Username: chris_sanders Post Number: 5 Registered: 05-2016 Posted on Thursday, April 06, 2017 - 04:04 pm:    I just specified Prosoco PolishGuard for an office kitchenette, may be worth a look. anon (Unregistered Guest) Unregistered guest Posted on Thursday, April 06, 2017 - 06:51 pm:    you need a film forming sealer, not a penetrating product. Ashford will not work in this situation. Neither will polished concrete. I recommend that you take a look at a MMA system, the one i am familiar with is DuraFlex Cryl-A-Shield, which is USDA, FDA, and "local Health Department" approved. Greta Eckhardt Senior Member Username: gretaeckhardt Post Number: 54 Registered: 08-2013 Posted on Friday, April 07, 2017 - 10:26 am:    Two concerns with a simple sealer or polished concrete would be slip resistance and stain resistance. For commercial kitchens I am most familiar with using either quarry tile with abrasive grit, or resinous flooring with a texture and/or broadcast aggregate, and I am concerned that anything less will allow staining and get slippery with grease or water. Guest (Unregistered Guest) Unregistered guest Posted on Friday, April 07, 2017 - 07:23 pm:    Some health departments restrict textured surfaces due to cleanliness; contradicts slip-resistance! Silikal is another company for MMA systems. Advantage of MMA is quick turnaround in existing facilities. Sherwin-Williams (Gen'l Polymers) has other products/systems; talk with local rep for recommendations. John Bunzick, CCS, CCCA, LEED AP Senior Member Username: bunzick Post Number: 1708 Registered: 03-2002 Posted on Tuesday, April 11, 2017 - 02:56 pm:    Why would it need to be USDA approved? I've not run into that before, only local health department. What sort of approval do they give. I have seen certain things that were NSF approved (though I don't know if approved is the right term here.) ken hercenberg Senior Member Username: khercenberg Post Number: 1066 Registered: 12-2006 Posted on Tuesday, April 11, 2017 - 03:38 pm:    I've never seen a clear sealer work for commercial kitchens. I stopped advocating quarry tile years ago, regardless of grout, because heat and fatty acids eat every grout out there. Anything epoxy will eventually dissolve. MMA works well as long as you have a window to apply it when the building is empty for a few hours. Skunks smell better. Great membrane though. Polyaspartics seem to work well but I haven't experimented much with them. Laticrete has one I think. I tend to lean towards urethane cement systems like Dudick Steri-Crete. Works great and lasts forever. Good slip-resistance and cleanability. Not cheap which is apparently what your client is looking for.