MODIFIED BITUMEN (AKA Torch Down) ~Membranes can be torch applied, self adhered or mopped in place with hot bitumen. ~Smooth non-granulated should be silver coated. ~High resistance to weathering and aging. ~Torch applied seams is the most common practice. ~Developed over 40 years ago. ~Modified refers to the addition of plastic or rubber-based polymeric binders to asphalt. ~Can also be ordered in 9 different granulated colors (White, Buff, Oak, Chestnut, Weatherwood, Gray, Slate, Black & Smooth non-granulated) ~Contact us to setup a Free onsite consultation with one of our experts!