sound insulation testing guide

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Mineral Wool

Materials which provide high acoustic absorption, such as mineral wool, are very useful for common types of intrusive noise such as speech. Absorption, however, is not as effective for lower frequencies generated by amplified music for example.

Mineral wool quilts are often used in floor, wall and ceiling cavities. The higher the density of the quilt, the higher is its contribution to the improvement of the sound insulation of the party element.

Mineral wool is used to pack voids and seal opening and weak (flanking) paths within a structure. Whether it is used within the cavity of a wall or a floor void, mineral wool should never be installed tightly as this can apply pressure on the existing linings and reduce the overall performance.