Homasote 440 SoundBarrier 1/2" x 4' x 8' Sound Control Board is a lightweight, structural fiberboard designed to help reduce the transmission of airborne and impact sound through floors, walls, and ceilings. Made primarily from recycled cellulose fiber, 440 SoundBarrier provides sound control while also offering moisture-resistant and thermal-insulating properties.
The 1/2" panels can be used as resilient underlayment beneath a variety of finished floors and as a component of wall and ceiling assemblies. Homasote also provides tested applications for use in UL fire-rated floor and wall assemblies.
Features & Benefits
Product Specifications
| Specification | Details |
|---|---|
| Product Type | Sound Control Board |
| Manufacturer | Homasote |
| Product | 440 SoundBarrier |
| Thickness | 1/2" |
| Width | 4' |
| Length | 8' |
| Density | 26-28 lb./cu. ft. |
| R-Value | 1.2 |
| Noise Reduction Coefficient | 0.20 |
| Flame Spread | Class III (C) |
| Weight | Approx. 1.2 lb./sq. ft. |
| Composition | Cellulose fiber |
| SKU | 12HOMA |
| UPC | 1000375 |
Manufacturer specifications confirm the 1/2" 4' x 8' size, density, R-value, noise reduction coefficient, and other physical properties.
Frequently Asked Questions
What is Homasote 440 SoundBarrier used for?
440 SoundBarrier is used for sound control in floors, walls, and ceilings. It can also be used as a resilient underlayment beneath a variety of finished floors and as a component of tested fire-rated assemblies.
Does Homasote help reduce sound?
Yes. 440 SoundBarrier is designed to reduce the transmission of airborne and impact sound when incorporated into appropriate floor, wall, or ceiling assemblies.
What is Homasote 440 SoundBarrier made from?
The board is manufactured primarily from cellulose fiber. Homasote describes its products as being made from approximately 98% recycled material.
What is the R-value of 1/2" Homasote 440 SoundBarrier?
The manufacturer lists an R-value of 1.2 for the 1/2" panel.
Can Homasote 440 SoundBarrier be used under flooring?
Yes. Homasote specifies 440 SoundBarrier as a resilient underlayment under a variety of finished floors. Installation should follow Homasote's instructions and the requirements of the finished flooring system.
Is Homasote suitable for walls and ceilings?
Yes. The manufacturer provides installation instructions and tested assemblies for wall and ceiling applications in addition to flooring applications.
Installation Notes
Store Homasote panels indoors in a dry location and protect them from weather and moisture before installation. Homasote recommends allowing 440 SoundBarrier to acclimate to the environmental temperature and humidity for at least 24 hours before installation. Panels should be installed clean and dry.
Follow Homasote's current installation instructions for the specific floor, wall, or ceiling application. Fastening and adhesive requirements vary by assembly. Do not use 440 SoundBarrier as roof sheathing.
| SKU | 12HOMA | Brand | NO NAME |