Andrew Legge, CEO of Havelock Wool, a company that produces natural, sustainable building insulation made from wool, explains ...

Cellulose is safer to install than fiberglass because it doesn't irritate the skin and eyes. After application, it settles to form a denser insulating layer that provides some sound insulation.

and seal sound. To that end, he adds that natural wool Insulation is better than fiberglass or foam insulation as it absorbs sound with its dense fiber construction. Angi notes that “the ...