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What Is Felt Fabric Used For?
Table of Contents
- What Is Felt Fabric?
- Acoustic Felt Product Specification
- Common Uses of Felt Fabric
- Felt Fabric in Modern Interior Design
- Why Felt Fabric Is Good for Sound Absorption
- Polyester Felt vs Wool Felt
- What Thickness of Felt Fabric Works Best for Acoustic Panels?
- Is thicker felt always better for sound absorption?
- How Durable Is Polyester Felt?
- Where Acoustic Felt Panels Are Commonly Used
- Our PET Acoustic Felt vs Other Acoustic Materials
- Conclusion Regarding Felt Fabric
When many people first come into contact with felt fabric, they only regard it as an ordinary piece of cloth. If you think so, then you are wrong.
Felt fabric is everywhere. You may have seen it in craft stores, on certain furniture, or even in some important occasions. In fact, its range of applications is far broader than many people imagine.
At this point, many people will have a question in their minds: what exactly is felt fabric used for?
In reality, the uses of felt are much wider than many people expect. From simple craft materials, to industrial materials, and to modern architectural acoustic design, felt fabric has already become a very important material.
Next, we will understand the real uses of felt fabric from several aspects, including material structure, common uses, and modern architectural applications.
What Is Felt Fabric?
Before understanding its uses, let us first briefly understand what felt fabric is.
Felt is a non-woven material, which means that unlike ordinary fabrics, the structure between its raw materials is not regular.
Felt is generally made by machines that heat-press fibers. Through pressure, heat, or mechanical action, the fibers become entangled with each other, thereby forming a whole stable material structure.
It is exactly because of this production method that felt stands out in the textile industry.
This structure gives felt several obvious characteristics:
Stable Fiber Structure
Fibers are entangled together in an irregular form, as if they were originally one whole. The structure is very firm and not easy to loosen.
Felt Fabric Not Easy to Fray
Because it does not have the regularly arranged warp-and-weft structure, felt will not fray or produce loose threads after cutting like ordinary fabrics do, which may otherwise cause problems for subsequent work.
Certain Elasticity and Cushioning Ability
Although heat pressing forms the fibers of felt into an irregular structure, they still leave certain gaps between them.The existence of these gaps gives felt certain functions, such as compression resistance, cushioning, and sound absorption.
Felt Fabric Contains a Large Number of Tiny Pores
These internal gaps can absorb air vibrations, therefore playing a significant role in sound absorption, vibration reduction, and compression resistance.
These outstanding characteristics allow manufacturers to apply felt fabric in various fields and make it an indispensable material in many industries.
Acoustic Felt Product Specification
| Parameter | Specification |
| Material | 100% Recycled PET Fiber |
| Manufacturing Process | Thermally Compressed Non-woven Structure |
| Standard Thickness | 9mm / 12mm / 24mm |
| Density | Approx. 2.0–2.5 kg/m² (12mm) |
| NRC (Noise Reduction Coefficient) | 0.70 – 0.95 (ASTM C423 Tested) |
| Fire Rating | B1 / Class A available |
| Moisture Resistance | High |
| Mold & Insect Resistance | Yes |
| Edge Finish | No fraying after cutting |
| Color Options | 40+ Colors Available |
| Panel Size | Customizable (Common: 1220 × 2440 mm) |
| Installation Method | Adhesive / Mechanical Fixing |
| Application Areas | Offices, Restaurants, Schools, Homes, Conference Rooms |
| Sustainability | 20–30 recycled plastic bottles per panel |
| Service Life | 10+ Years Indoor Use |
Common Uses of Felt Fabric
Many industries widely use felt materials, and people also encounter some of these applications in daily life. Many people have definitely encountered them consciously or unconsciously.
From small handmade products to home decoration and the operation of precision instruments, felt materials are indispensable.
Among them, the most common field is DIY crafts.
Craft and DIY Projects
In the DIY and handicraft industry, felt has always been a very popular material.
Many craft enthusiasts first come into contact with felt when they begin making fabric art or decorative works.
The reason is actually very simple: it is very friendly in processing. Even without professional tools, finished products can be easily made.
Because it has several obvious characteristics:
Felt Fabric Easy to Cut
Felt does not require you to prepare a full set of cutting tools. It only needs an ordinary pair of scissors to cut various shapes, which is very convenient for craft makers. Of course, for felt requiring high edge precision or significant thickness, a CO2 laser cutting machine can be used.
Not Easy to Fray
Ordinary fabrics are very prone to thread loosening after cutting because their fibers follow a regular order.However, felt has no warp-and-weft structure, and due to the heat-pressing process, the edges remain relatively neat after cutting.
Rich Colors
There are many colors of felt fabric available on the market, which makes it very popular in decorative crafts.
Based on the above, people often use felt to make handmade decorations, holiday ornaments, plush toys, handmade bags, and other products.
In terms of raw materials, felt generally uses wool felt or polyester felt fabric. Felts made from different materials vary in texture, durability, and price. You can choose the one that suits your needs.
Felt Fabric Furniture Protection
If you have observed the furniture in your home, you may notice felt pads on table corners, chair legs, or if you look at the bottom of furniture, you will find that many tables and chairs have a layer of felt pads attached underneath.
These felt furniture pads can prevent furniture from scratching the floor, reduce the noise generated when moving furniture, and provide certain cushioning protection for both furniture and flooring.
Because of these advantages, this application of felt furniture pads is very common in both residential and commercial spaces.
Industrial Applications
Felt is not only used in decoration and DIY crafts. Its stability and durability also perform very well in precision instruments. It is a widely applicable, highly moldable, and practical material.
For example, during the operation of many types of equipment, issues involving friction, vibration, or sealing may occur. At this time, the structural advantages of felt become evident.
Felt Fabric Common applications include:
Mechanical sealing gaskets
Vibration cushioning materials
Polishing pads
Industrial filtration materials
The reason felt can serve in such precision instruments lies in the stability of its fiber structure. It can withstand pressure and friction in any environment without easily deforming or sustaining damage.
A stable fiber structure can bear certain pressure, has low cost, and is very practical, therefore it is very suitable for industrial environments.
Felt Fabric in Modern Interior Design
At first, designers may have used felt as a decorative material. However, practical applications gradually reveal felt’s characteristics. It no longer limits itself to small decorative elements but can support an entire wall, delivering incomparable sound insulation effects.
In many spaces such as open-plan offices, restaurants and cafés, meeting rooms, schools, and libraries, noise problems are often not valued at the beginning. But once people start using these spaces frequently, noise becomes a very troublesome issue.
For example, in open-plan offices, phone calls, discussions, and keyboard sounds mixed together can easily distract people.
According to professional and equipment testing, the background noise in such spaces is usually around 50–65 dB. Staying in this environment for a long time will directly affect concentration and work efficiency.
For this reason, more and more designers are beginning to use acoustic felt panels in their projects.
They do not “block” sound, but absorb reflected sound, making the sound in the space cleaner and more controllable.
Very often, you can intuitively feel that the space becomes more comfortable to stay in.
Why Felt Fabric Is Good for Sound Absorption
The core reason why felt is suitable for sound absorption is actually very simple: it has a porous internal fiber structure.
When sound waves enter the material, they are not blocked immediately but continuously reflect and rub within the pores between the fibers.
During this process, the acoustic energy of noise is gradually consumed and finally converted into small amounts of heat energy.
In other words, felt does not completely block sound outside. Sound will still reflect inside the space, but felt absorbs the sound that would otherwise bounce around and slowly “consumes” it.
Because of this principle, felt is particularly effective in controlling echo and reverberation.
In actual data, according to the ASTM C423 acoustic testing standard, many PET acoustic felt panels can achieve a Noise Reduction Coefficient (NRC) of 0.70–0.95.
The higher the NRC, the stronger the material’s sound absorption ability.
Therefore, in spaces such as offices, meeting rooms, acoustic barriers or restaurants that require quietness, the function of felt is not to make the environment “completely silent,” but to make sound clearer, less harsh, and less chaotic.
Polyester Felt vs Wool Felt
At the beginning, most felt was made from wool fibers. Later, the emergence of polyester felt gradually replaced pure wool felt because polyester fibers not only possess the characteristics of wool but are also environmentally friendly, more stable in structure, more controllable in quality, and lower in price, making them suitable for large-scale applications.
Durability
The structure of polyester fibers is more stable, less affected by humidity changes, and does not easily suffer from insect damage or mold, therefore it is very suitable for long-term use.
Acoustic Performance
After heat pressing, small pores appear between the fibers. These irregular pores can absorb sound. Unlike natural materials that may fluctuate in performance, the effect is more stable and controllable.
Sustainability
Many felt products now use recycled PET fibers. One felt panel can consume 20–30 plastic bottles, solving both performance and environmental protection issues.
What Thickness of Felt Fabric Works Best for Acoustic Panels?
When many people choose felt for the first time, they will ask a question: is thicker felt always better?
To be honest, this idea is very common, but it is still not quite correct. The choice of thickness cannot be generalized and should be based on your usage.
Thickness does affect sound absorption performance, but it is never the only determining factor.
Is thicker felt always better for sound absorption?
In fact, it is not.
In most architectural acoustic applications, common thicknesses include 9mm, 12mm, and 24mm, and different thicknesses are suitable for different spaces.
For example:
9mm felt is suitable for wall decoration and light sound absorption
12mm felt is very common in offices and meeting rooms
24mm felt is used in spaces that require stronger sound insulation
To put it practically, for most commercial spaces, 12mm is already enough. There is no need to keep increasing thickness. As long as you choose the right thickness and match it with your space layout, design, and coverage area, you can significantly reduce noise and achieve the effect you want.
How Durable Is Polyester Felt?
Durability is a question every client will ask. After all, the real concern is this: what if it gets damaged within just a few months—or even days—after you install it over a large area?
I can assure you that you do not need to worry about this issue. The materials we use are polyester fibers produced by major manufacturers. Their internal structure is stable and not easy to break.
They usually have the following characteristics:
Strong resistance to deformation
Moisture resistance
Not easy to become moldy
Not susceptible to insect damage
Therefore, whether for ordinary daily use or large-scale use in public places, polyester felt is definitely your first choice.
Where Acoustic Felt Panels Are Commonly Used
Nowadays, no matter what kind of place it is, felt can be found. Whether it is small-area decoration or large soundproof panels hidden inside walls, felt is everywhere.
Offices
Can reduce phone and discussion noise, prevent sound from randomly bouncing, and allow employees to work more focused.
Restaurants and Cafés
Can effectively reduce the sense of noise, allowing customers to communicate more comfortably and improving the overall experience.
Residential Spaces
Home is originally a private space. Felt can effectively reduce noise from upstairs neighbors, TV echoes, furniture dragging sounds, children crying, and so on, bringing a more comfortable living environment for you and your neighbors.
Educational Buildings
Places such as schools and libraries value clarity of information more.
After background noise is reduced, listening and communication become clearer.
Our PET Acoustic Felt vs Other Acoustic Materials
| Feature | Our PET Acoustic Felt Panels | Traditional Fabric Panels | Foam Panels | Mineral Wool Panels |
| Sound Absorption | ⭐⭐⭐⭐⭐ NRC up to 0.95 | ⭐⭐⭐⭐ | ⭐⭐⭐ | ⭐⭐⭐⭐⭐ |
| Durability | ⭐⭐⭐⭐⭐ Long-term stable | ⭐⭐⭐ | ⭐⭐ Easy to age | ⭐⭐⭐⭐ |
| Moisture Resistance | ⭐⭐⭐⭐⭐ | ⭐⭐ | ⭐⭐⭐ | ⭐⭐ |
| Mold / Insect Resistance | ⭐⭐⭐⭐⭐ | ⭐⭐ | ⭐⭐⭐ | ⭐⭐ |
| Cutting & Installation | ⭐⭐⭐⭐⭐ No fraying, easy DIY | ⭐⭐⭐ | ⭐⭐⭐⭐⭐ | ⭐⭐ |
| Appearance Design | ⭐⭐⭐⭐⭐ Modern architectural look | ⭐⭐⭐⭐ | ⭐⭐ | ⭐⭐ |
| Sustainability | ⭐⭐⭐⭐⭐ Recycled PET | ⭐⭐ | ⭐ | ⭐⭐ |
| Weight | ⭐⭐⭐⭐ Moderate | ⭐⭐⭐ | ⭐⭐⭐⭐⭐ | ⭐⭐ Heavy |
| Maintenance | ⭐⭐⭐⭐⭐ Easy clean | ⭐⭐⭐ | ⭐⭐ | ⭐⭐ |
| Cost Efficiency | ⭐⭐⭐⭐⭐ Best balance | ⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐ |
Conclusion Regarding Felt Fabric
Many people’s impression of felt fabric still remains that it is just an ordinary cloth. In fact, after so many years of development, felt has already become an indispensable material in various industries.
From handmade crafts to industrial materials, from home life to work environments, felt is quietly protecting everyone. Especially in today’s busy life, people feel the impact of noise more than ever, and it cannot be ignored.
If you do not deal with noise, it will definitely affect your life.
This is also why acoustic felt panels have been used more and more in recent years. They do not only have a single effect of improving noise but are also helping you make a space more comfortable and more practical.
For more detail, read our guide to material selection tips.