http://www.ontarioroofing.com/main.html
940 The East Mall, Suite 301
Etobicoke
ON M9B 6J7
Canada
Phone: 416-695-4114
Founded in 1964, the Ontario Industrial Roofing Contractors Association (OIRCA) is a professional group of roofing and sheet metal contractors, product suppliers/ manufacturers, building science consultants/engineers and industry members who are interested in roofing related activites.