ARMSTRONG

Non-metal ceiling tiles and panels; non-metal wall panels; non-metal partitions for buildings; non-metal ceiling suspension systems comprised of ceiling tiles, ceiling panels, non-metal framework for building, and structural parts therefor; phase change material (pcm) sold as integral components of

Metal ceiling tiles and panels; metal wall tiles and panels; metal grid framing system for ceilings comprising metal grid beams, metal framework for building, metal cross-tees in the nature of ceiling supports of metal, metal cross-tee clips in the nature of ceiling supports of metal; metal suspensi

Acoustical insulated ceiling tiles and panels; acoustical insulated wall tiles and panels; acoustical room dividers in the nature of acoustical insulation barrier panels.;