Sound absorption is every time a material is utilized to soak up components of the sound to scale back reverberation (echo), or “clear up the sound. Acoustic panels are a product used for sound absorption. • Thermal insulation is normally characterised as Vapour Permeable or Non-vapour Permeable. Typically referred https://raymondisbkr.blogsidea.com/38113273/the-basic-principles-of-fiber-glass-wool-for-wall-thermal-insulation