Extéril is a work / installation / gallery / artistic project, which at certain times produces performative actions, associating physical and virtual space in complementarity with artistic production.

Extéril gallery is a project by Teixeira Barbosa which aims at disseminate non-profit artistic practices. Since its launch until 2005 the project had a squat attitude at a old factory (17th century).
Since 2005, the project has operated within the artist's studio. Porto - Portugal.