Acoustic Treatment

Posts relating to Acoustic Treatment fro Metropolitan Insulation

May

2023

The benefits of spray foam insulation

Spray foam insulation is a highly effective and versatile insulation option that offers a wide range of benefits for residential and commercial properties. It is applied as a liquid and expands into a foam, creating a seamless and airtight barrier. Here are some key benefits of spray foam insulation:

Superior insulation performance: Spray foam insulation provides exceptional thermal insulation properties, effectively sealing gaps, cracks, and voids. It forms a continuous and airtight barrier that minimises heat transfer, resulting in significant energy savings and improved energy efficiency. It outperforms other traditional insulation materials, such as fiberglass or cellulose, in terms of R-value, which measures thermal resistance.
Air leakage prevention: One of the major advantages of spray foam insulation is its ability to seal even the smallest gaps and cracks in walls, floors, and ceilings. This prevents air leakage, which can account for a significant amount of energy loss in buildings. By creating an airtight envelope, spray foam insulation helps to maintain consistent indoor temperatures, reduces drafts, and enhances overall comfort.
Moisture control: Spray foam insulation acts as a moisture barrier, preventing the infiltration of water vapor. It resists moisture absorption and helps to control humidity levels within a building. By reducing the risk of condensation and moisture-related issues, such as mold growth and structural damage, spray foam insulation contributes to a healthier and more durable indoor environment.
Sound insulation: Spray foam insulation also provides excellent soundproofing properties. Its dense and closed-cell structure absorbs sound waves, reducing noise transmission between rooms and from external sources. This can significantly improve the acoustic comfort within a building, making it quieter and more conducive to work, rest, or relaxation.
Versatility and adaptability: Spray foam insulation can be applied to various surfaces, including walls, roofs, floors, and crawl spaces. It conforms to irregular shapes and contours, filling in gaps and ensuring a complete insulation coverage. This versatility allows for customised and precise installation, making spray foam insulation suitable for both new construction and retrofit projects.
Long-lasting performance: Spray foam insulation is known for its durability and long lifespan. Once applied, it remains stable and does not settle or deteriorate over time. This means that the insulation’s performance and effectiveness will last for many years, providing ongoing energy savings and benefits without the need for frequent replacements or maintenance.

In summary, spray foam insulation offers superior insulation performance, air leakage prevention, moisture control, sound insulation, versatility, and long-lasting performance. Its ability to create an airtight and seamless barrier makes it a highly efficient and effective insulation solution for both residential and commercial buildings. By choosing spray foam insulation, property owners can enjoy energy savings, improved comfort, enhanced indoor air quality, and a more sustainable and durable building envelope.

Jan

2021

Benefits of soundproof doors

Soundproof doors offer numerous benefits, particularly in environments where noise control and acoustic insulation are essential. These specialized doors are designed to minimise the transmission of sound from one area to another, creating a quieter and more peaceful atmosphere. Here are some of the key advantages of soundproof doors:

Noise reduction: The primary advantage of soundproof doors is their ability to significantly reduce noise transmission. They are constructed with dense materials and specialized insulation that effectively block and absorb sound waves. This makes them ideal for spaces where noise pollution is a concern, such as recording studios, theaters, offices, hotels, or residential areas near busy streets or airports.
Improved privacy: Soundproof doors enhance privacy by preventing sound from traveling in or out of a room. In offices or conference rooms, they can ensure confidential discussions remain private, allowing employees to work without distractions. Similarly, in residential settings, soundproof doors provide peace and solitude by minimising noise disturbances from neighboring rooms or outdoor sources.
Enhanced productivity: By minimising noise distractions, soundproof doors contribute to improved focus and productivity. In office environments, employees can concentrate on their tasks without being disturbed by conversations or other noises from outside. This promotes a more efficient and conducive work environment, leading to increased output and better concentration.
Compliance with regulations: Certain industries, such as music production, broadcasting, or healthcare, have specific regulations regarding noise control. Soundproof doors help businesses meet these requirements by providing effective acoustic insulation. Compliance with such regulations not only ensures the quality and safety of operations but also prevents potential legal issues or penalties.
Energy efficiency: Soundproof doors often feature excellent thermal insulation properties. The materials used in their construction provide an additional layer of insulation, reducing heat transfer between spaces. This can result in energy savings by maintaining a more stable indoor temperature, reducing the load on heating and cooling systems, and lowering energy consumption.
Increased property value: Installing soundproof doors can add value to a property. Potential buyers or renters may prioritise noise reduction as an important feature, particularly in urban areas or properties located near sources of noise. Soundproof doors are considered a premium feature that can enhance the desirability and market appeal of a space.

In conclusion, soundproof doors offer a range of benefits, including noise reduction, improved privacy, enhanced productivity, compliance with regulations, energy efficiency, and increased property value. These doors are a valuable investment in creating a comfortable, quiet, and controlled environment, whether in residential, commercial, or industrial settings. By effectively blocking and absorbing sound, soundproof doors contribute to a more peaceful and productive atmosphere while meeting the demands of modern living and stringent noise control standards.

Oct

2020

Soundproof Foam VS Acoustic Foam

The misconception about foam being soundproof exists mostly because people lack the understanding of the differences between sound absorption and soundproofing.

It is natural to assume that if products like foam absorb sound, there will be none that is left to escape the room.

Unfortunately, sound is not like a fluid that gets absorbed and trapped in something like a sponge. The way sound behaves needs to be understood clearly here.

Sound waves are nothing but vibrations and when they strike a surface, they tend to vibrate it.

Sound does not ‘pass’ through a wall or ceiling but merely vibrates it. These vibrations are further transferred to the other side and that is how sound transfer takes place through walls, ceilings, and other surfaces.

1. Walls and Ceilings

The most common myth is that panels made of foam can be stuck on walls and will reduce the amount of sound from entering or leaving a room.

The foam that you see stuck on the walls of studios is not meant for soundproofing but is meant for sound absorption. The products that do the actual soundproofing in a studio are something else.

What You Should Be Doing Instead

You should first of all try to make your walls heavier. You can add mass to your wall by:-

Extra Drywall

Installing an additional layer or two of drywall will help to reduce sound transfer. A 5/8” thick drywall sheet weighs 2.31 pounds per square foot. That’s some serious mass and is a great substance for reducing sound transfer.

Coming back to foam, there are many varieties available and their densities vary depending on the type and grade. However, the foam would have to be several inches thick to match the mass of drywall.

Pros

Low cost.
Lots of mass.

Cons

Effort and workmanship required to install.
Involves modification of structures, so not an option for rented apartments.

Floors

Impact Noise
Airborne Noise

Impact noise is the noise caused as a result of footsteps or furniture being moved on the floor.

Airborne noise is the sound that is normally transmitted through the air and these include traffic noise, dog barking, neighbors yelling, and everything else.

Sep

2020

New Trend for Soundproofing Your Home

The average city dweller spends his or her time surrounded by noise– traffic, television, cell phones, and unwanted office gossip. But people who want a quieter life are finding ways to outfit their homes with sound-proof accessories, such as curtains that mute noises from outside. This is one of several ways to make staying home much more peaceful and reap the health benefits of silence.

Noise pollution affects many people and homes, causing health effects such as stress and anxiety. There are many fancy methods to isolate yourself from sound, but soundproofing is expensive and typically reserved for technical uses, such as for a recording studio.

According to the World Health Organization (WHO), it is only safe to be exposed to loud noises for a maximum of 8 hours. Many of us who live in urban areas or noisy towns receive a lot more noise than recommended. Because of this, there has been a significant rise in home soundproofing through the use of soundproof curtains and other methods.

However, there are several simple home hacks you can use to significantly reduce the amount of noise you hear.

One popular way to achieve a quieter living space is through your furniture. When you have an empty room, sound bounces off the walls a lot easier since there is nothing to absorb it. These bouncing waves reach your ear and you perceive ‘sound’, but the simple addition of heavy and soft furniture can absorb a great deal of these waves. Add heavy tables and sofas with a lot of cushion to absorb the most amount of sound. Books also help and look great on your coffee table!

If you want to get fancy with your soundproofing you can add acoustic panels to your walls and ceiling. These are used mostly in studio sound booths during music recordings, but many manufacturers craft these panels for use in your home. These panels work much in the same way as furniture works– by providing a thick, soft and permeable surface which effectively absorbs sound waves.

Don’t Forget Your Doors!

You’d be surprised at how sound finds its way into our homes through the smallest cracks and spaces. One place we often ignore when we think about sound leakage is our doors. Gaps beneath doors let a considerable amount of noise through, but there is an inexpensive solution. Sealant tape can easily block these gaps without hindering your doors from opening or closing. A more expensive but permanent solution is a mounted seal that uses metal and rubber and lasts a lot longer than tape.

Reducing noise in your home will not only give you peace of mind, but is also attributed to many health benefits. Some of these include lower stress levels, better concentration, increased brain function, and greater focus for self-reflection. The benefits of good rest are also widely studied, and the solution is as simple as installing a set of soundproof curtains.

Sep

2020

The Benefits of Soundproofing Your Home

Soundproofing is the technique of utilising insulation materials to minimise the noise passing through the walls.

Whilst many people think that soundproofing is only necessary for acoustically sensitive environments like recording studios, there are numerous positives to be gained from investing in soundproofing for your home. Whether it’s to provide you with a little headache relief from noisy children or to make your music practice room soundproof, so you don’t disturb the neighbors, there is always a good reason to consider soundproofing measures.

Privacy

If you want to avoid disturbing your neighbours and being disturbed by your neighbours at the same time, the best thing to do is invest in soundproofing your home. The experts at Metropolitan Insulation explain that privacy is a valuable thing that we often do not even consider until we don’t have it anymore, and one of the worst breaches of privacy is when you and your neighbours can hear each other. Private conversations can be overheard, music and loud noises can cause tension between you and the last thing you want is to fall out with someone who lives right next door to you.

Your home should be a relaxing, comfortable place to return to after a long day at school or at work, so it is essential to prevent the noise coming from both inside and outside of the house. You don’t want to worry about what your neighbours will overhear or what you may inadvertently hear from their side. By soundproofing your home, there will be no awkwardness or tension, so you can live side by side with your neighbours in harmony.

Comfort and Quality of Life

Soundproofing can significantly enhance the comfort of your home, from helping to provide the perfect sleeping environment to ensure that you are able to relax for a moment in private whilst the kids are particularly rambunctious. In order to achieve this ideal environment, you don’t even need to soundproof the whole house. By soundproofing the doors and windows of particularly noisy areas in your house like your kids’ bedrooms and the rooms where you like to relax, that is enough to create peace and quiet. No more stress, no more anger, and exhaustion caused by noise-just a happy home for the whole family.

Jul

2020

Negative Effects of Sound Pollution

Every sound in a structure can be traced back to its acoustical roots. Creaky door hinges are rusty, too tight or in need of a good oiling. Floorboards squeaking or groaning are either incorrectly fastened or not plumb or true.

As for ominous loud ticking clocks, either you’ve been watching too many scary movies or you have very thin walls with no acoustical insulation and thin drywall layers. This too can be easily solved with a variety of wall types from traditional staggered stud to new high-performance ultra-thin ZR walls.

Unintended Negative Effects of Noises

The impact of subway noise on surrounding neighbourhoods shows that increased cardiovascular disease is related to sleep disorders caused by rail noise in urban areas. While most spooky sounds are low frequency noise, subways do create a wider variety of noises than wind turbines or deep footsteps, thereby having a wider and deeper range of effects. These are similar to having a spooky bad dream including, but not limited to:

Increased heart rate
Lack of deep REM sleep
Increased blood pressure
Elevated anxiety and stress levels

Last, but not least, is our favorite means of long-distance travel, airplanes. Because of new engine designs, noise from aircraft is getting better with each generation. Nevertheless, there is still a significant impact on local environments and the people living there. Similar to subway noise, physiological issues include:

Cardiovascular issues
Cognitive issues in children
Elevated anxiety
Decreased attention spans due to sleep deprivation.

Jun

2020

Soundproofing and Acoustic Treatment: What’s the Difference?

Sound can be divided into two types: direct and indirect. Starting from the source, the sound travels in outward directions all around.

Direct travels in a straight line, whereas the reflected or indirect, randomly bounces in the room and between its surfaces.

Indirect sounds are echoes, reverbs, vibrations and similar. Direct sound remains the same, but the reflected change the original sound.

The change is either good or bad, depending on the size of the room, and its properties.

What Is Soundproofing?

The purpose of soundproofing is to block or minimise the level of sounds, both those traveling in and outside of the room.

So, the main idea is to have the sound focused – do not let the desired one get out, and, at the same time, do not let the unwanted ones come in!

This can be done either by blocking or sealing.

Sealing refers to all those tiny gaps, particularly in windows and doors.

What Is Acoustic Treatment?

Quite opposite from the previously mentioned, where the main idea is to block the sound, the purpose of acoustic treatment is to control the sound.

This particularly refers to indirect sounds, such as echoes, vibrations and similar.

So, it’s about controlling the sound that’s exclusively inside the room.

Soundproofing or Acoustic Treatment – Which to Choose?

Before you get down to business, be sure to know what exactly are you looking for? Do you want to reduce the echo?

Or you want to block all the sound except for the one you are making?

These are some of the questions you have to answer so that you know what the problem you have to deal with is.

Besides this, the dimensions of your room, as well as its shape are key factors.

If it’s in a building, that means dealing with numerous outside sounds as well.

The simple evaluation of the acoustic properties of your room is the best way to decide what you need.

Sometimes the help of a professional is needed in order to adjust the room as best as possible.

For more information and advice on what would be the best option for you, contact Metropolitan Insulation today and we’ll happy to help.

Metropolitan Insulation Blog