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.

Advantages:

• 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

Downloads:

• 440 SoundBarrier® Installation Highlights – Floors http://www.homasote.com/assets/files/installation/440_installation_highlights.pdf
• 440 SoundBarrier® Installation Highlights - Walls and Ceilings http://www.homasote.com/assets/files/installation/installation_highlights_wall.pdf
• Floor Applications Installation Instructions http://www.homasote.com/assets/files/installation/440sbfloors.pdf
• Wall Applications Installation Instructions http://www.homasote.com/assets/files/installation/440sbwalls.pdf
• Ceiling Applications Installation Instructions http://www.homasote.com/assets/files/installation/440sbceilings.pdf