Armstrong METAL R-H 220 without acoustic infill unperforated is a post-coated galvanised steel acoustic ceiling panel. Without acoustic infill and unperforated, this Hook-On concealed grid system offers fully configurable large size panels for a simple yet versatile design with excellent acoustic performances. It includes a Secure function option. Additional dimensions, colours and wood effects are available upon request to customise it to any design. Together with its excellent A1 fire reaction performance, Armstrong METAL R-H 220 without acoustic infill unperforated is an ideal choice for a variety of areas, from small service rooms to large commercial office buildings and major transportation terminals. Armstrong METAL R-H 220 without acoustic infill unperforated is Cradle to Cradle Certified® Full Scope Silver according to version 3.1 (9791 - for RAL colours only) and has and Environmental Product Declaration (EPD-KNA-20220030-IBD2 - for RAL 9010 colour only).