a helping hand

I usually crate train my puppies but it has been sooo long ago that i do not have the crate any more so we put him in the mud room and put chicken wire up to give him a small area to train in . it has worked well so far .the other day i went in and he was on the other side of the "fence" sleeping on the back door rug .near as i could figure he crawled under it . well i found out how he learned to do this big C followed JD into the room one night and he wanted huckleberry out but cant reach over the fence to get him so he just pulled it up and then after the puppy is out he pushes it back down. well i took the fence down now because he crawls out all the time now then cries because his bed food and toys are all over on the other side .He still wont come out of the mud room because he cant walk on the hard wood floor.so if i put him on the dinning room rug he wont move he is surrounded by hardwood . he has no idea that there are any other rooms in this house other then the living room we carry him into and the mud room . oh and the dinning room rug