Abstract: A membrane assembly (100) has at least a pair of bottom sheet membranes (102), (102) and at least one top sheet membrane (104), wherein the bottom sheet membranes (102), (102) are adapted to attach to and cover respective pavement sections (106), (106) of a roadway (108), wherein the bottom sheet membranes (102), (102) are moveable relative to the top sheet membrane (104) in response to movement of the respective pavement sections (106), (106), and wherein the top sheet membrane (104) is adapted to support road surfacing material (112), while the top sheet membrane (104) extends over a gap (110) between the respective pavement sections (106), (106).