Method for installation and replacement of a membrane and system for retaining membrane on a structure. A connecting member comprises at least one radial channel for receiving a first guiding strip of a membrane sheet further having a second guiding strip. A fastening mechanism is provided for adjusting tension in the sheet by controlling depth at which the connecting member is maintained within a top channel on a truss of the structure. The tension may be adjusted by applying torque to bolted screws maintaining the connecting member into the top channel. Replacing the membrane sheet under tension involves unfastening, at least partially, the connecting member from the top channel to remove tension in the sheet and removing the sheet to be replaced from the connecting member and a second connecting member maintained on another truss.