John A. Dalsin & Son is a family owned and family run roof-contracting firm for more than 100 years. We have earned the trust of our customers through quality workmanship and professional integrity. Bob Dalsin, the president, says the success of the company boils down to one thing: it's people. " Without them the company wouldn't be anywhere." John A. Dalsin & Son was named Roofing Contractor's 2012 Commercial Contractor of the Year. Headquartered in Minneapolis, Minnesota, and with over 100 employees, we focus on commercial roofing and sheet metal work, as well as some high end residential work. Some of high profile jobs include The Mall of America, The Cathedral of St. Paul, and the 57 story IDS Center. Our company provides service and repair 7 days a week 24 hours a day. Call us at 612-729-9334.