Acoustic clay brick for partition walls TERREAL Façade
The Acoustic Brick is a perforated brick with two visible surfaces (27 x 14 x 7 cm, 30 x 20 x 12 cm) with one perforated absorbent surface with circular holes (15% perforation rate). The cavity into which these perforations lead is filled with 30 mm thick rock wool, with a density of 140 Kg/m3. Acoustic bricks are used as an internal wall for acoustic correction in areas with excessively high sound levels as lining and separation partitions. Acoustic absorption: _w = 0.65. They meet the specifications of norm NF 13 304.
