There are many good reasons to install acoustic insulation (also referred to as sound insulation or sound proofing insulation) in the internal walls of the home. There is no single formula to determine which rooms should and shouldn’t be insulated with sound insulation, but the purpose of insulation is to reduce sound transfer.
Theatre rooms and TV rooms should always be insulated completely with sound insulation. If the theatre room is connected to the outside wall of the house, think about your neighbours and consider replacing normal thermal insulation with a hi-density wall insulation. Without acoustic insulation in the internal walls the noise emanating from the theatre room will potentially dominate the whole house when the room is in use.
A great product to consider is Knauf’s Earthwool R2.7 Sound Shield Insulation. This is available in both 580mm widths and 430mm widths, to fit the standard 600m and 450 joist spacing. Don’t hesitate to contact us if you need further information or recommendations regarding your theatre room insulation project.
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