
If your carpet sounds like plastic, it could be due to a variety of reasons. One possible reason is the type of underlay used, especially if it is made of recycled plastic. The underlay may be rubbing against the floor or the carpet itself, causing the crinkly or crunchy sound. Another reason could be the presence of plastic sticky wrapping or tape on the backing of the carpet, which should have been removed during installation. Additionally, the carpet padding may contain small pieces of soft plastic that create a squeegee-like sound when compressed. In some cases, the issue may be caused by the contact between two components in the carpet, resulting in crackling or popping noises.
| Characteristics | Values |
|---|---|
| Cause of the plastic-like sound | Carpet padding made of rebonded foam, which includes small pieces of soft plastic that create a squeegee-like sound when stepped on |
| Other potential causes | Tape on the back of the carpet, friction between the underlay and subfloor, faulty underlay, or plastic sticky wrapping stuck to the carpet backing |
| Solutions | Contact the retailer to fix or replace the carpet, remove the tape, lift and re-secure the carpet, or use talcum powder to settle gaps between the carpet and underlay |
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What You'll Learn

Carpet padding made from recycled plastic
A newly installed carpet may sometimes produce a crunchy or crinkly sound when walked on. This could be due to several factors, such as the padding tape, faulty underlay, or the joining of two pieces of underlay with tape. Carpet padding is usually made of rebonded foam, which is created by shredding different densities of foam into small pieces and combining them to achieve the desired density. Soft plastic is also shredded and included in this mix. Occasionally, a tiny piece of plastic stands vertically within the foam construction, resulting in a squeegee-like sound when stepped on.
When choosing carpet padding, recycled options are available, such as recycled foam padding. This type of padding is made from shredded recycled plastic, which can sometimes result in a lower-quality product that falls apart easily. However, recycled foam padding can provide a more sustainable and cost-effective alternative to traditional padding.
If you are experiencing issues with your carpet making plastic-like sounds, there are a few potential solutions. You can try injecting a small amount of carpet pad cement through the carpet and under the pad to attach it to the floor. Alternatively, you can lift the carpet and re-secure the floorboards underneath. If the problem persists, contact the retailer and request that they address the issue.
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Underlay rubbing against the floor
The crinkly, crunchy, or squeaking sound coming from your carpet could be due to the underlay rubbing against the floor. This could be because the underlay is made of shredded recycled plastic, which can fall apart and make a sound similar to walking on plastic bags. Carpet padding is often made of different densities of foam and soft plastic, shredded and combined to create the desired density. When a tiny piece of plastic stands vertically within this foam construction, it can create a squeegee-like sound when you step on that spot.
If the underlay is the cause of the sound, you may need to replace it. However, before doing so, you can try a few temporary solutions. One suggestion is to rub talcum powder between the carpet and the underlay and between floorboards to fill in the gaps. Another option is to inject a tiny amount of carpet pad cement through the carpet and under the pad to attach it to the floor. However, this method is messy and risky, as the cement is very sticky, and if it gets on the carpet surface, it will not be a good outcome.
If you decide to replace the underlay, you may want to consider using brown paper underneath to prevent the same issue from occurring again. Alternatively, you can try using a different type of underlay in the problem areas, as the sound could be due to the specific type of underlay used. For example, the issue could be due to the tape used to join two pieces of underlay, or the underlay being installed upside down.
To identify the exact cause of the sound, you may need to lift or peel back part of the carpet to inspect the underlay and floor. If you have wooden floorboards, the sound could be coming from the floorboards themselves, in which case you would need to lift the carpeting and re-secure the boards with screws.
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Faulty or wrongly placed underlay
A carpet making a plastic-like sound could be due to a faulty or wrongly placed underlay. Carpet padding is often made from rebonded foam, which is created by shredding different densities of foam into little pieces and combining them to create the desired density. Small pieces of soft plastic are also shredded and included in this mix. When a tiny piece of plastic stands vertically within the foam construction, it can create a squeegee-like sound when stepped on.
In such cases, it is recommended to contact the retailer and request a resolution. While installers are not typically at fault for this issue, they can assist in identifying and resolving the problem. Some installers may suggest injecting a small amount of carpet pad cement through the carpet and under the pad to attach it to the floor. However, this can be messy and difficult to execute without damaging the carpet.
Another potential solution is to use a low-tack spray adhesive on the floor to prevent the underlay from moving if it has been laid the wrong way up. This method may be preferable to stapling, which is not possible on solid floors. Additionally, some installers recommend rubbing talcum powder between the carpet and the underlay to settle gaps and reduce the noise.
In some cases, the underlay may need to be replaced entirely. While this can be an inconvenience, it is important to ensure that the new underlay is properly secured and oriented correctly to prevent further issues.
To prevent similar issues in the future, it is recommended to pay close attention to the quality of the underlay and ensure that it is properly secured during installation. Cheap underlay can degrade quickly and cause unwanted noise, so investing in higher-quality underlay can help extend the life of your carpet and improve its overall appearance and performance.
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Plastic sticky wrapping on the carpet backing
A new carpet may sometimes produce a crunchy or crinkly sound when walked on. This could be due to the use of plastic in the carpet padding or underlay, which can create a squeegee-like sound when compressed and released. Small pieces of soft plastic are shredded and combined with foam of different densities to create the desired density for carpet padding. However, if a tiny piece of plastic stands vertically within the foam, it can generate this unusual sound.
In some cases, the issue may lie with the underlay, which can cause a crinkling sound when it rubs against the carpet or the floor. This may be due to faulty underlay, improper installation, or the use of tape to join multiple pieces of underlay. To address this, some suggest using talcum powder to settle gaps between the carpet and the underlay or the floorboards.
If you are specifically experiencing issues with plastic sticky wrapping on the carpet backing, it is likely due to the use of plastic wrapping or protective film during renovation or construction projects. This plastic wrap is designed to protect the carpet from dirt, debris, and impacts. While it is meant to cling tightly to the carpet, it can sometimes be challenging to apply and may stick to itself, creating a messy and wrinkled appearance.
To address the issue of plastic sticky wrapping on the carpet backing, it is important to carefully follow the instructions for applying the plastic wrap to avoid it sticking to itself. Additionally, ensuring that the carpet is new or clean before applying the plastic wrap can help prevent dirt from becoming stuck to the adhesive side. It is also recommended to have two people apply the plastic wrap for better results.
If the plastic wrap is already stuck to the carpet backing and causing issues, carefully lifting and peeling it off is necessary. While it may be hard to peel off, it should not damage the carpet or leave behind adhesive marks if removed correctly.
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Carpet cushion causing contact between components
To fix this issue, you can try injecting a small amount of carpet pad cement through the carpet and under the pad to attach it to the floor. However, this can be tricky, and if the cement gets on the carpet surface, it can be difficult to remove. Another suggestion is to use talcum powder to help settle gaps between the carpet and the underlay. If the problem persists, it may be necessary to lift the carpet and re-secure the floorboards or replace the underlay.
It is important to note that the carpet cushion is designed to provide comfort and sound dampening insulation. When it wears out, it can affect the performance of the carpet and even damage the carpet fibres. Therefore, it is essential to address the issue promptly and consider replacing the carpet and cushion if necessary.
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Frequently asked questions
The padding of the carpet is made of shredded foam and soft plastic. When a tiny piece of plastic stands vertically within the foam construction, it can create a squeegee-like scraping sound.
The crinkly sound could be due to the underlay used. If the top layer of the underlay is rubbing against the carpet, it can create a crinkly sound.
You can try injecting a small amount of carpet pad cement through the carpet and under the pad to attach it to the floor. Alternatively, you can try rubbing talcum powder to settle gaps between the carpet and the underlay.










































