Hazel posts and Chicken wire should be sufficient for most dogs. Line out the run with the posts - driven into the ground, then staple or tie the chicken wire to the posts. Job done!
Here's a bit more on it:
HI Pm: Do you want it enclosed? If so, then you can put up a fence about 3 feet from the sidewalk fence and fill the area with mulch. If you just want something to cover up the ruined grass, then you can use mulch, or something that won't migrate over into the rest of the grass and ruin your lawn mower. Good luck
now I get it !
Hello, this should help you