Section 3.4 Knauf Insulation（3.4节可耐福保温）.pdfVIP

Section 3.4.1 Internal Walls Timber Stud Product: Earthwool Acoustic Roll and Earthwool Flexible Slab Iw01 /02 Standard metal C stud partitions Product: Earthwool Acoustic Roll and Earthwool Flexible Iw03 Slab /04 Staggered metal I-stud partition Products: Earthwool Acoustic Roll Iw05 High performance twin frame metal stuf partition Products: Earthwool Acoustic Roll Iw06 3.4.1 Internal Walls Internal walls Background to sound insulation Sound insulation Flanking sound Sound Insulation, otherwise known as sound Increasing the mass of a separating element will Flanking sound transmission usually refers to reduction, is the prevention of sound being improve its sound insulation but in timber and sound that travels through ‘flanking’ structural transmitted from one part of a building to steel framed systems, the amount of extra elements, such as the external wall that flanks a another, for example by erecting a partition or weight that can be safely supported is often separating element between two dwellings. wall. limited. As a result, other design approaches Flanking sound can also include sound that Improving the sound insulation of separating are usually employed i.e. structural isolation