Which factors affect modified bitumen roofing cost per square foot in asphalt or bitumen modification systems?

The cost of modified bitumen roofing per square foot is influenced by several factors, including the type of modification (APP or SBS), the quality of materials, labor costs, and installation complexity. Additionally, geographic location, local building codes, and the roof’s slope and accessibility can impact pricing. The choice of insulation and underlayment materials also plays a role, as well as any required warranties or maintenance plans.