A gas spring assembly (102;200) comprising: a flexible spring member having a longitudinal axis (AX) and including a flexible wall extending longitudinally between first and second ends and peripherally about said axis (AX), said flexible wall including an inside surface and an outside surface with said inside surface at least partially defining a spring chamber ; a restraining cylinder including a cylinder wall extending longitudinally between first and second open ends and peripherally about said axis (AX), said cylinder wall including an inside surface and an outside surface as well as a first wall portion and a second wall portion (286B;286C) extending longitudinally from along said first wall portion , said restraining cylinder disposed longitudinally along said flexible spring member between said first and second ends thereof with at least a portion of one of said inside surface and said outside surface of said restraining cylinder permanently attached to said flexible wall along said outside surface thereof by way of a chemically-bonded joint with said chemically-bonded joint disposed along said first wall portion such that said flexible wall is separable from said second wall portion (286B;286C); and characterized in that it further comprises a first coating including a release agent disposed along at least some of said inside surface of said second wall portion (286B;286C) of said cylinder wall and/or at least some of said outside surface of said flexible wall such that said first coating is operative to inhibit formation of a chemically-bonded joint between said flexible wall and said inside surface of said second wall portion (286B;286C) of said cylinder wall . a flexible spring member having a longitudinal axis (AX) and including a flexible wall extending longitudinally between first and second ends and peripherally about said axis (AX), said flexible wall including an inside surface and an outside surface with said inside surface at least partially defining a spring chamber ; a restraining cylinder including a cylinder wall extending longitudinally between first and second open ends and peripherally about said axis (AX), said cylinder wall including an inside surface and an outside surface as well as a first wall portion and a second wall portion (286B;286C) extending longitudinally from along said first wall portion , said restraining cylinder disposed longitudinally along said flexible spring member between said first and second ends thereof with at least a portion of one of said inside surface and said outside surface of said restraining cylinder permanently attached to said flexible wall along said outside surface thereof by way of a chemically-bonded joint with said chemically-bonded joint disposed along said first wall portion such that said flexible wall is separable from said second wall portion (286B;286C); and characterized in that it further comprises a first coating including a release agent disposed along at least some of said inside surface of said second wall portion (286B;286C) of said cylinder wall and/or at least some of said outside surface of said flexible wall such that said first coating is operative to inhibit formation of a chemically-bonded joint between said flexible wall and said inside surface of said second wall portion (286B;286C) of said cylinder wall . <EOS>