What are the most popular types of commercial roofing? Which is better? Which is more reasonably priced? In this article, we will cover 6 types of commercial roofing: 1. Spray Foam Roofing Spray Foam is an eco-friendly roofing option for commercial, industrial, and manufacturing facilities. Spray Polyurethane Foam, more commonly referred to as SPF, is a material that is sprayed …