Harnish Fireproofing is a company that specializes in the application of products in the thermal services industry, including spray applied fireproofing, various spray-applied insulation and open and closed cell polyurethane foam.  We have a primary emphasis in the commercial building sector, but frequently work in  the industrial, medical, educational, government and residential sectors.  Our geographical focus of work is in Metro-Detroit and Ann Arbor, but have done work throughout the Midwest.  We have been active in the construction industry for over 30 years.