Used for slopes 1/12 up to 4/12 typically. This a roofing system and required all aspect of the system to be installed.
A durable, modified bitumen membrane designed for use as a waterproofing membrane and reinforced with a polyester mat, which is coated with a polymer-modified asphalt. Usually applied cold, hot mop or self adhearing.
This is the economical choice for commercial roofing and low slope areas of residential roofing.