This presentation will discuss briefly the history of spray polyurethane foam roofing systems and the equipment necessary for a quality application. The equipment to apply the SPF and equipment needed to apply coatings are different than what is needed for wall insulation and other contracting fields. In addition there is necessary equipment needed to address the business of commercial roofing. What are the selling points for SPF roofing and what systems are you to compete with. What are the best practices? How and where are the best places to train and get knowledge to prevent costly mistakes? Spray polyurethane foam used in roofing is different from insulation SPF systems. It is applied on top of the building envelope so weather and many other factors come into play. What coverings are used as weatherproofing over the SPF?