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How Is Cellulose Good For Soundproofing?

By Cristiana , in Home Improvement , at December 22, 2022

Cellulose is a natural material that can help with soundproofing a room like services from cellulose soundproofing Chalfont PA. It has properties that help it trap and reflect various types of airborne noise. It is also resistant to fire, mold, and pests. And it is inexpensive. If you are considering soundproofing your home, read on to learn how cellulose can help.

Reduces Sound Travel

A significant benefit of cellulose insulation is that it significantly reduces sound travel in walls. Cellulose is three times denser than fiberglass and can effectively fill cavities to prevent sound from traveling through walls. The material can also reduce sheetrock lateral movement and sound travel between floor levels. Its sound-dampening properties are an advantage over fiberglass, resulting in inefficient sound dampening.

It is also made from recycled paper, which reduces its environmental impact. About 80 percent of the cellulose used to create cellulose insulation is made from recycled newspaper. Additionally, cellulose insulation is treated with boric acid to prevent mold and increase fire resistance. Some manufacturers even add moisture-activated acrylic binders to minimize settling. Cellulose is usually blown into wall cavities, where it can effectively reduce noise travel.

Traps and Reflects Different Airborne Noises

Cellulose insulation is home insulation made from a mixture of fire-retardant mater and recycled paper fiber. It has an STC (sound transmission class) rating of 44 and an NRC (noise reduction coefficient) of 0.80. This material can be added to a building’s walls or ceilings during construction or afterward to reduce the sound of vibrations in a room. It comes in either a dense pack or a loose fill option.

Cellulose insulation is a dense material that traps and reflects different airborne noises. It can be used in rooms or attics, and it is also effective in reducing vibrations and reverberation. These types of insulation can be purchased from a variety of sources.

Resists Mold, Pests, and Fire

Cellulose insulation is composed of recycled paper and is considered one of the safest materials for soundproofing and home insulation. However, it is not completely fireproof and has been found to be flammable without proper chemical treatment. Manufacturers of cellulose insulation add chemicals such as boric acid and ammonium sulfate to the material to make it resistant to fire. The added chemicals make the insulation less palatable for insects, pests, and mold.

This kind of insulation is also eco-friendly. It is made from recycled paper that has been broken into fibers. This type of insulation resists fire, pests, and mold, making it excellent for soundproofing. In addition, it helps your HVAC systems use less energy and cuts your energy bills. Additionally, cellulose is naturally fire-resistant, making it a good option for homes with attics.


When it comes to soundproofing, cellulose insulation can be a cost-effective choice. It’s derived from paper and often includes recycled material. It’s also made from sustainable resources, with minimal energy used during manufacturing. Cellulose insulation is also available in various qualities, including low-dust and stabilized.

Fiberglass batt and wet-spray cellulose are two common types. They are both environmentally friendly and cost about $0.30 to $1.75 per square foot. They are also nonflammable, so they are ideal for insulating large areas.

Vapor Permeable

Cellulose insulation is a type of insulation that is made from recycled paper products. Its recycled content is typically 82% to 85%, which makes it an eco-friendly material. It is made by shrinking or fiberizing cellulose paper to pack it tightly into building cavities. Manufacturers may also add mineral borate to the material, which ensures that it will resist fire and insect damage and will not settle in the cavity.

The material was first used as insulation in the 1772 Thomas Jefferson plantation Monticello. It was also used in Scandinavian buildings as early as the 1920s. Today, many types of cellulosic materials are used to make insulation. Some modern versions of this material are made from recycled newspapers and are treated with a fire retardant. It was only in the 1970s that cellulose insulation became widespread in the US.

Keeps Warm Air Out in the Summer

As a well-established building material, cellulose provides superior soundproofing and thermal insulation. It’s three times denser than fiberglass insulation and is 40% more effective at insulating heat. Additionally, cellulose contains borates, which give it superior control against mold and self-grooming insects.

Proper insulation can keep the temperature inside your home constant by controlling four significant factors: air infiltration, conduction, and radiation. A superior insulation system is densely packed and has a high R-Value. Cellulose insulation meets all four of these performance criteria.


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