Sustain is a portfolio of sustainable ceiling systems that has undergone rigorous material screening. Products in the portfolio have Health Product Declarations, Environmental Product Declarations and Declare labels to explain their contents and environmental impact. Contributes to LEED v4, Living Building Challenge and the WELL Building Standard. Sustain-labeled products include mineral fiber, fiberglass, metal ceiling panels, wood fiber wall and ceiling panels, trims and transitions, and suspension and drywall systems.