I went to Lowe's and when I asked where the expanded metal was you would have thought I was speaking another language. Not only did they not know what it was, they also didn't have any. Off to Home Depot. They have two styles, 1/2" and 3/4". I picked up the 1/2". Will this be OK or do I need the 3/4"? What I bought is pictured below. The 3/4" came in 24X24" sheets so I would need to cut it. I was hoping to avoid that but if need be I will. Thanks agian guys for your help. I'm gonna start on the other parts for now.