A sliding shower door, also known as a bypass door, is the same concept as a sliding glass patio door, just used in a shower or bath enclosure. A sliding shower door may have a set pane with one side sliding on a track or both panels of glass can move. The track can either have manual rollers in it, or the sliding piece can just glide without extra support. Bypass or sliding glass shower doors are space-efficient, as they require no room to swing open.

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