50 hangs vertically in front of stationary glass panel 20 above track 16 in which sliding glass panel 15 moves and in the same vertical plane as sliding glass panel 15 door closure 50 is comprised of coiled spring 52 elongated tube 55 and elongated tube 60 elongated tube 55 is rotatably coupled to mounting bracket 58 and elongated tube 60 is rotatably coupled to mounting bracket 62 in the open position door closed shown in fig1 coiled spring 52 is maintained slightly in tension in order to apply a relatively small 34 spreading 34 force to elongated tube 55 and elongated tube 60 and thereby maintain pressure to keep sliding glass panel 15 closed against door jamb 30 fig2 depicts sliding glass door 10 with sliding glass panel 15 in the open position sliding glass panel 15 compresses door closure 50 such that elongated tube 55 and elongated tube 60 move from an open 34 v 34 position as shown in fig1 to an approximately parallel position in this position coiled spring 52 is under maximum tension and is applying a maximum 34 spreading 34 force to elongated tube 55 and elongated tube 60 when the person or mechanical agent that has opened sliding glass panel 15 releases.