Compare sound insulation materials and methods based on STC and IIC ratings, cost, durability, and more. Try combining multiple materials and methods to create a composite system that can address ...

Step one, we place an acoustic type of batt, such as Roxul’s Safe n’ Sound insulation, in between each joists and snug up against the plywood floor above. The Safe n’ Sound insulation batt is three ...

Traditionally fiberglass batt insulation was the go to material for insulating your home, but there are other alternatives to this such as rock wool, which is traditionally used as a fire and sound ...

This fiberglass batt insulation is ideal for sound control, while providing a built-in vapor barrier for moisture control and improving energy efficiency.

Sound batt insulation This insulation is “made from lightweight, flexible fiberglass or Rockwool,” according to the website of Robey Inc., a drywall and insulation contractor company.

Rock wool is also resistant to water absorption, so it is less likely to get moldy. And, because they are denser, the batts also make very good sound insulation.

In other words, you can’t really have too many sound deadening layers. Working around ductwork and various plumbing pipes isn’t so easy, but try to fit the sound batt insulation into every crevice.