How To Insulate Interior Walls That Are Already Drywalled

Given that these are interior walls, i used 12 spacing around the edges.

How To Insulate Interior Walls That Are Already Drywalled. The interior walls of my house do not provide much sound insulation. How do you fix a poor mud job on an already painted interior wall (drywall)?

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It does not however substitute for code required exterior or interior shear walls. Retrofit wall insulation is a debatable subject because there is no single right answer for all homes and homeowners. Thanks, easy to follow tutorial, i have some unfinished basement areas that are framed out but not insulated.

Measure the distance between studs.

Sprayed walls & ceilings with interior latex. It doesnt cost much or add a lot. It does not however substitute for code required exterior or interior shear walls. But how do you get insulation into existing walls without opening them up?