Keith, the owner, is a hot head! Before I signed ...

Keith, the owner, is a hot head! Before I signed a contract with him, he was yelling at me on the phone because I had done research into the quality of siding. Tyler, an employee from HIS company, wrote in an email that they use 0.4 gauge siding. While on the phone with Keith, he said they "used the best at .044" thickness. That made no sense to me and I asked for clarification. He excepted me to trust him and not do my own research on the quality of siding. This is when he proceeded to degrade and yell at me. I would avoid Keith and his company entirely.