Polymer Modified Bitumen (PMB) is a type of bitumen that has been modified by the addition of polymer materials. The polymer addition enhances the properties of bitumen, making it more durable, resistant to deformation, and suitable for use in a wide range of applications. PMB is commonly used in road construction and repair, waterproofing, roofing, and industrial flooring. The modification process can involve adding different types of polymers, including styrene-butadiene-styrene (SBS), styrene-acrylic (SA), and ethylene-vinyl-acetate (EVA), to tailor the properties of the resulting PMB to meet specific application requirements.