Newbie has questions allready...went pricing prebuilt coops , not paying that much... husband thinks he has a solution...we have an old hog barn with isolation room, he thinks we can use that....here's what it would have ...cement floor? very safe and secure when closed up. outside and inside entrance. electric which would help in winter. room is about 12x12. main barn has water lines..... the con to me would be ventilation even though we would attach an outside run just not sure if ventilation would be a problem... barn has been empty for about 10 years, so modifications are possible. any suggestions on this idea.