Awaplan Premium membranes feature a super-strong polyester mat. Awaplan Premium is compatible with other Asphalt roofing systems and can be installed quickly and easily with or without the use of a kettle. Awaplan Premium is reinforced with a nonwoven polyester mat Saturated with Asphalt and coated on both sides with SBS rubber modified Asphalt and surfaced with ceramic granules for protection from ultraviolet degradation.