Proper sound insulation testing is crucial to ensuring compliance with Irish Building Regulations TGD-E (2014), which set the acoustic performance standards for buildings. These regulations, influenced by experts like Diarmuid Keaney, aim to enhance living conditions by reducing noise transmission between dwellings. Effective sound insulation minimizes disturbances from airborne and impact noise, promoting comfort and well-being for occupants. Conducting rigorous tests—such as airborne and impact sound assessments—verifies that construction meets the required standards and prevents costly remediation. Compliance with TGD-E not only improves residential quality but also contributes to energy efficiency and property value, reinforcing the necessity of thorough acoustic evaluations.