This project included 4,100 square feet of ISO 6 cleanroom. The space was 25′ tall, with ducted return air chases. Eight of these chases were 6′ wide x 8′ high. The walls were constructed of 1/4″ aluminum cleanroom panel system (Plascore) on metal stud framing. The ceiling is a Gordon system, gasketed aluminum, with Plascore 1/4″ aluminum blank ceiling tiles.