Flex Membrane International Inc.
Flex Membranes coated with DuPont Elvaloy ketone ethylene ester (KEE) are reinforced, available with smooth backing or fleece backing, and are compatible with asphalt. Coating does not migrate out of the membrane, which maintains flexibility and toughness of surface even in extreme climates, according to the company. Can be used in mechanically attached, fully adhered, ballasted, and green roof applications. Available in rolls up to 10 feet wide.