This sound absorption material is manufactured with a pyramid-shaped surface, and is the ideal acoustic insulation solution for rooms etc. Excellent results can be obtained at medium and high frequencies (500 ÷ 2000 Hz). The material is made of flexible polyurethane open cell foam with a density of 25/30 kg/m3. It can also be applied in combination with acoustic insulation material. It is also available with adhesive on one side.