We have over 20 years experience giving you the best concrete maintenance & Repair Service. If you want concrete repair, caulking, resurfacing, powerwashing, porch cap resurfacing and more, we are number 1 serving the downriver area. Call Downriver Concrete Maintenance & Repair Today 734-216-2395. Free Estimates - Hours 7am-7pm 7 days a week.. Concrete repair - Concrete Resurfacing - Concrete Caulking - Concrete Power Washing - Porch Cap Resurfacing - Basement Concrete Repairs - Garage Concrete Repairs