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Materials That Sound-Deaden Your Home

Jack Gordon - April 13, 2020 - 0 comments

No one wants to live in a house that reflects all the noises outside. Whether it’s the traffic or the guitar strums of your neighbor who is aspiring to be a band leader, you don’t need to hear all the loud noises outside, especially if you just got home from work. Read more about noises when you click here.

If you are one of the people who want to have privacy and want to sleep quietly inside your home, you may want to soundproof your house one of these days. However, before you undergo in this project, it is crucial to know the basics and choose the best materials that are effective and cost-friendly for you.

How Sounds Generate

Sound waves are airborne. When they travel and hit an object, the waves cause these things to vibrate. Regardless of its traveling method, the noise can still reach its final destination of it’s unhampered, which is generally your ears.

Since the waves are traveling through the air, the best way to keep them at bay is to put objects that can block them before they reach your ears. Most of the materials needed to deaden the waves should be gapless. This means that there should be no cracks or holes. The materials should be massive so that they are not prone to vibration.

Effective Materials

Resonance Absorbers

These absorbers are very useful if you are trying to absorb low-frequency noises. The low-frequency classification applies to those that are below 100 Hertz. These absorbers can work well in rooms where sound pressure is the highest.

This type of mechanism is often referred to as Helmholtz resonator, and you can find this system in ventilation ducts and hydraulic silencers.

Porous Absorbers

A porous sound absorbing material can be made from textiles, mineral wool, carpets, and curtails. The deadening effect results from the penetration of sound energy on the material’s surface. There is a conversion of sound into heat energy, and this results in a small part of the noise that can reach the ears.

Many may be familiar with the first law of thermodynamics in their early school days. This law states that energy can’t be created nor destroyed. It can only change form from one to another. This law applies to porous absorbers since the sound waves are converted into heat energy.

However, it would help if you did not think that you can use this method in heating your entire bedroom. This is not the case since the amount of heat that was converted is too little. It can even be considered as negligible since it is a mere billionth of a watt.

Membrane Absorbers

Membrane absorbers also goes by the name of panels. They are high in the absorption of bass frequencies. Most people may overlook them since they don’t look as good. However, they still contribute an essential part in absorbing noises since the flat box is mounted on the wall.

When you have already installed this, you can try banging your hand to the front panel. You may hear a deep tone that is similar to that of a bass drum, but the sound may sound weaker. This tone is considered as the frequency that the oscillating system has produced. More about oscillating systems here: https://www.thoughtco.com/oscillation-2698995. The sound energy caused the membranes on the absorbers to oscillate. To understand this better, the sound energy was transformed. However, this time it became a mechanical oscillatory kind of energy instead of heat.

Other Things to Do

Now that you have a good idea about the materials, you may want to know how you can make your room quieter.

  1. You can start by sealing up cracks and holes. Make sure that they were sealed thoroughly, and even the smallest gaps should not escape. You can use foam or latex for sealing.
  2. It would be best if you tightened your windows and doors. You can try to install a door made from the solid core so that it will block more sounds. You can also opt for glass panels for a more effective solution.
  3. try to add an air conditioning system. This will allow you to shut your windows and forget about noises from traffic jams.
  4. Add insulations out of fiberglass. There is blown-in insulation that can help you ignore the outside noises and enhance the quality of your home theater inside the room.
  5. Soundproof your floors using one of the materials mentioned. You can get acoustical soundboards beneath your carpets so that the noise from below has a lesser chance of reaching your ears. There are heavy barrier vinyl or closed-cell foams that you can use along with your carpeting, so be sure to check them out.

Installing sound-deadening materials to your room might seem a difficult job to do. However, when you have the right information on the materials to use and how to install them, you can get everything done in less than a week. Check with experts or chat with someone who has experience with soundproofing their apartment rooms to make everything easier for yourself.

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