BeamGrid™ wide beam open plenum masking system is a large scale open cell ceiling system available in a range of beam cross section and module sizes that can be selected to suit the scale of the space where they are being used. Standard beam sizes range from 1in x 1in to 4in x 4in and module sizes from 12in x 12in to 48in x 48in. BeamGrid is available in a wide variety of finish options including painted colors and wood-look finishes. Metal contains no organic compounds to support mold and microbial growth.