Do egg boxes work for soundproofing? The short answer is no. Egg boxes are made of a very thin cardboard, allowing sound waves to travel directly through them and, as such, are unable to help reduce noise. ... Unfortunately, egg cartons are far too thin to act as an effective diaphragmatic absorber.

How do you soundproof a room with egg cartons?

To improve the soundproofing capabilities of egg cartons, install pieces of fabric or foam inside the openings of the carton before hanging them on the walls. Doing so will help to improve the density of the cartons and enhance their ability to absorb sound.

Is egg crate foam good for soundproofing?

Acoustical Foams & Eggcrate

Foam absorbs noise for excellent sound and noise control and also reduces reverberation times. Egg crate foam soundproofing is widely used in recording studios, home theaters, broadcasting studios, and many other industrial and commercial applications.