Pyrosorb-S class 0 acoustic foam sheet with a self adhesive backing 1 meter x 1 meter (100cm x 100cm), in black, in many thicknesses 6mm, 12mm, 25mm or 50mm, all with Self Adhesive Backing. Please choose from the drop down lists above. If you are selecting 'SAMPLE ONLY' this will be a small sample at approximately 4" x 4". Class 0 is the best Building Regulations designation for materials that protect from the spread of flames and limits the amount of heat released from the surface during a fire. Can be easily cut fire resistant, flexible, open celled polyurethane foam Being open celled with a high density it is an excellent sound absorption material This grade of foam is fire retardant. Please contact us or visit our website for more information.