 okay so to cover that entire area of cement i would i would try that you know what and i use the word try and emphasize it because if you're not there to show your dog what to do your dog doesn't know what to do so when we talk about house training dogs for example the rule is to go out with your dog reward your dog at the right time you've heard this all before and probably did this yourself when you house trained your dog to go outside but because your dog is greatly outdoors