Grindbeck supplies Noise Control Insulation Cork Board. Grindbeck is an ISO 9001:2000 accredited company. Noise Control Insulation Cork Board is an ideal material for thermal insulation or cooling chambers, to improve noise levels or to provide vibration insulation for running machinery. Noise Control Insulation Cork Board is an excellent thermal and acoustical insulation material, besides being imputrescible, resistant to compression and flexural efforts, and of great dimensional stability. This insulation corkboard is made from autoclave expanded cork particles which are then bonded together with their own resin.