Cardboard is not an effective material for soundproofing purposes. While it may provide some minimal reduction in high-frequency sounds due to its density and ability to absorb sound waves to some extent, it is generally insufficient for effective soundproofing. Here are a few reasons why cardboard is not suitable for soundproofing:
Limited Mass: Soundproofing typically relies on mass and density to block and absorb sound waves. Cardboard is relatively lightweight and lacks the mass required to effectively block or dampen sound energy across a wide range of frequencies.
Structural Integrity: Cardboard is not a sturdy or durable material, and it does not have the structural strength to maintain its soundproofing properties over time. It can easily deform, tear, or lose its effectiveness as a sound barrier.
Air Leakage: Soundproofing involves creating an airtight seal to prevent sound leakage. Cardboard is permeable to air, meaning sound can easily pass through gaps and perforations, rendering it ineffective in preventing sound transmission.
Low-frequency Sounds: Cardboard is particularly poor at attenuating low-frequency sounds, which have longer wavelengths and require significant mass and density to be effectively blocked. These sounds are often the most challenging to address in soundproofing applications.
For effective soundproofing, it is recommended to use materials specifically designed for the purpose, such as mass-loaded vinyl, specialized acoustic panels, or dense materials like gypsum board (drywall) with soundproofing insulation. These materials provide higher mass, density, and sound absorption capabilities, offering better soundproofing performance.
If you're looking to reduce noise transmission through a wall, it is advisable to explore proper soundproofing techniques, including insulation, resilient channels, double walls, or other proven methods. Consulting with a professional or conducting thorough research on soundproofing strategies will help you achieve the desired results more effectively.