Absolutely unprofessional. Brought their own child into my house while working on the roof, screaming swears at each other while me and my family were home, and they were specifically requested not to enter a room in the house since we had animals in there we don't want to let out, and they entered anyway. But, they are doing a good job on the roof. If you want someone to do a structurally good job, hire them. But beware of the unprofessional behavior.