Andrew Legge, CEO of Havelock Wool, a company that produces natural, sustainable building insulation made from wool, explains that a thin wall has a maximum thickness of 4.5 inches. It is typically ...

Drywall isn’t just for walls; with a few adjustments, it can help absorb and block sound as well as other soundproofing materials. Not all drywall is created equal when it comes to soundproofing.

Sound-deadening insulation or sound-muffling mats ... between the joist and subfloor is to use a 3-1/2 inch to 4-inch drywall screw angled into the joist and subfloor where they meet so that ...

and drywall, says Bennett. Legge says the optimum approach to soundproofing is to absorb, damp, decouple, and seal sound. To that end, he adds that natural wool Insulation is better than ...