To provide a glass block wall with an opening/closing function having appearance and characteristics such as a sound insulating property, a heat insulating property, an airtightness and daylighting property almost equivalent to a fixed glass block wall when closed while having high ventilating performance without needing a large space for opening and having excellent crime preventiveness making it hard to break into when opened, and to provide a gasket material.

In this glass block wall having the opening/closing function, a plurality of glass block connecting bodies comprising one or more glass blocks are vertically or laterally arranged through gasket joints that can be overlapped or separated when closed, and the glass block connecting bodies are opened/closed rotated by rotary shafts of the glass block connecting bodies to allow ventilation when opened.