1/2" 4x8 HOMASOTE 440 BOARD
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Homasote 440 SoundBarrier® | 1/2" x 4' x 8' Sheet
Looking for a versatile, eco-friendly solution to noise control and structural protection? The Homasote 440 SoundBarrier® is the industry standard for high-performance sound deadening and multi-purpose building applications.
Made from 100% recycled wood fibers, these structural fiberboards are cellulose-based and integrated with wax for moisture resistance, making them as durable as they are sustainable.
Why Choose Homasote 440?
Superior Sound Control: Effectively reduces airborne and impact noise. Perfect for multi-family housing, home theaters, and recording studios.
Eco-Friendly: Manufactured with 100% recycled cellulose fiber and completely formaldehyde-free.
Weather Resistant: Protected against termites, rot, and fungi, and designed to handle moisture better than standard drywall or plywood.
Easy Installation: Lightweight and easy to cut with standard woodworking tools. It provides a smooth, uniform surface for various finishes.
Technical Specifications
| Attribute | Specification |
|---|---|
| Dimensions | 1/2" Thickness × 4' Width × 8' Length |
| Material | Homogeneous cellulose fiberboard |
| R-Value | ~1.2 (Provides thermal insulation) |
| Weight | Approx. 35 lbs per sheet |
| Edge Detail | Square Edge |
| Fire Rating | Class C |
Common Applications
Sound Deadening: Install behind drywall in walls or under flooring to create a quiet living environment.
Floor Underlayment: Use under carpet, hardwood, or laminate to cushion footsteps and dampen vibrations.
Expansion Joints: Often used as a high-quality filler for concrete work.
Tack Boards: Its unique density makes it an excellent core material for bulletin boards and school displays.
Pro Tip: For maximum soundproofing performance, ensure all gaps and joints are sealed with acoustical sealant during installation.