Also known as acoustic insulation, fiberglass is used in walls, ceilings and even ducts to help reduce sound transfer. Eco-Friendly: Made from recycled materials, fiberglass is an environmentally ...

Q-Our kitchen and dining rooms are built over a 30-inch-high crawl space, and in cold weather the floors in these two rooms get very cold. The crawl space has vents in the wall that we were told to… ...

This fiberglass batt insulation is ideal for sound control, ... 'For attics, loose-fill glass wool is common; for walls, batts or blankets are typical,' adds Bertuglia.

He’s rolling out fiberglass batts, and the stuff is really itchy. You don’t want to breathe in the fibers because they are a lung irritant. ... Add in blown glass and you are up to 71 percent.