When you have a commercial dog kennel, you whant the kennel to look good to make your client feel satisfied and happy. Check with a steel supply yard company for sheets of galvanized expanded metal . They come in many sizes as well as guages . The better supply companies have machines that will cut them to size too if wanted. You can get angle iron or square tubbing there too. Some will even custom build your project.Do have tops great ideas guys thank you. Bay the no clime horse fence strong ? Think 90 pound dog panic in thunder storm amazing what their jaws can do.I do have family member with welder. I am not really worried about cost I believe it takes money to make money, more import that it lasts against a lot of abuse