Independently lab tested and time-proven in millions of square feet of residential and commercial structures, 440 SoundBarrier® is a special-density, structural board made from 100 percent environmental Homasote® cellulose fiber, a homogeneous composition manufactured with uniformly distributed protection against termites, rot and fungi and resistance to moisture. It also insulates, with twice the R-value of wood. Made with FSC® certified material.

Features

• FSC® Certified
• Lightweight
• Easy to handle, cut and shape
• Widely available in convenient sizes
• Ready to apply directly to framing
• Provides excellent noise attenuation when installed as recommended
• Provides excellent, moisture-resistant thermal insulation