What is Acoustic plaster?
'''Acoustic plaster''' is [[plaster]] which contains fibres so that it absorbs [[sound]]. Early acoustic plasters contained [[asbestos]]. But nowadays, the new acoustic plasters is made up of a layer of [[Adsorption|absorptive]] [[substrate]] [[Panel|panels]], which are usually [[mineral wool]]. Acoustic plaster gives a smooth and seamless appearance. {{Technology-stub}} [[Category:Synthetic materials]]