Should You PE Foam Your Keyboard: An In-Depth Analysis

Should You PE Foam Your Keyboard? This debate has been raging online for years, with many people believing that it is necessary to protect their keyboards from dust and wear. Others feel that the potential problems outweigh the benefits, so they choose not to do this.

Should You PE Foam Your Keyboard

Keyboard foam is a topic that has been much discussed lately, with people arguing on both sides of the debate. Some claim that foam helps to make the keyboard sound more unique and special, while others say that it can flatten the sound signature and limit the frequencies you hear when typing. In this blog post, we’ll be discussing all things PE foam – from what it is to which type of keyboard you should foam, to how it works, and whether or not there are any alternatives available. So whether you’re undecided about whether or not to foam your keyboard, read on for an in-depth guide.

What is PE Mod?

PE foam is a type of padding used in keyboards for several different purposes. The most common use for PE foam is to protect the keyboard from dust and wear. It can also help to make the keyboard sound more unique and special, as well as increase its lifespan. In addition, PE foam can be used to reduce noise levels when typing or to improve the accuracy of your inputs.

What does the PE Mod do?

The PE Mod is a keyboard protector that helps to improve the sound quality of your typing. By protecting the keyboard from dust and wear, it helps to make the keys more responsive and increases overall sound output. Additionally, by providing more padding around each key, it prevents them from becoming crash-prone or flat sounding.

How to foam a keyboard – The Steps

These are the steps

Prepare PCB

Before you can foam your keyboard, you first need to prepare the PCB. This is simply a fancy name for the circuit board that holds all of your keys and electronics. If it’s damaged in any way – including being scratched or dented – it will not withstand the heat and pressure of foaming, so make sure to take care when handling it.

Measure PE Foam

Once your PCB is prepared, you need to decide on the type and thickness of PE foam that you will use. There are a few different types of foam available on the market, but we recommend using either soft or hard PE foam because they both have different benefits.

Soft PE Foam
If you’re looking for a softer option, soft PE foam is a good choice because it has less impact when used in keyboards. This means that it’s easier to conform to the shape of your keyboard and it’s also less likely to cause damage.

Hard PE Foam
If you’re looking for a harder option, hard PE foam is the right choice. This type of foam has more impact and is, therefore, better suited to protecting your keyboard from damage. Additionally, it offers excellent resistance to compression and wears and tear.

Poke Holes

Now that you’ve decided on the type of PE foam and the thickness, you need to make some holes in it. This is where your experience and skill as a DIYer comes into play – you’ll need to poke holes in the foam that are large enough to fit your screws, but small enough so that they don’t get caught when you’re assembling the keyboard.

Prepare PCB-Mount Stabilizers

Now that you’ve made the holes in the PE foam, it’s time to prepare your PCB-mount stabilizers. These are small pieces of wood or plastic that help to keep your board stable while it’s being foamed.

Prepare Plate

To make sure that your foam has properly adhered to the PCB, you’ll need to prepare a plate. This will help to distribute the weight of the board evenly and prevent it from moving around during foaming.

Install Switches

Now that you’ve prepared the PE foam and the plate, it’s time to install your switches. First, mark where you want your switches to go on the foam. Then, use a drill or a cutter to make holes in the foam just big enough for your switch terminals.

Trim Foam

Once your switches are installed, it’s time to trim the excess foam off of the top and bottom of the board. This is important because it will help to keep your board stable while it’s being foamed.

Assemble Keyboard

Now that everything is ready, it’s time to assemble your keyboard! Start by attaching the plate to the bottom of the PE foam. Then, attach the top of the foam to the board using screws and washers.

Foam Keyboard

Once everything is attached, it’s time to start foaming your keyboard. Begin by adding a little bit of hot water (or cold water if you’re using a thermoplastic-based silicone) to your machine and pressurizing it with the air pump. Then, place the keyboard in the foam and start pumping. Be careful not to overpressure your keyboard; too much pressure can cause damage.

Finish Keyboard

Once the foam has been fully formed, it’s time to finish it off! Use a spacer or piece of wood to adjust the height of your keyboard so that it’s comfortable for you and fits into your desired layout. Then, use a finishing tool (like a sandpaper block) to polish up the foam until it’s perfectly smooth. Congratulations, you’ve just created your own foam keyboard.

How does the PE Foam Mod work in keyboards

The PE foam mod works by increasing the surface area of your keyboard. This allows you to type faster and with less strain on your hands, arm, and shoulders. It is also a safer activity as it eliminates the need for firearms (or any other dangerous objects). The added comfort can make typing more enjoyable, which is why many people choose to foam their keyboards.

Sound Quality of Different Types of Foam in FE Foam Mod

There is no one-size-fits-all answer to this question, as the sound quality of different types of foam will vary. That being said, some common types of foam include rubber, plastic, and acoustic. Rubber is the cheapest type of material and therefore tends to make the least noise. Acoustic materials are more expensive but produce less noise than rubber or plastic. Plastic materials are generally in between rubber and acoustic – they produce moderate levels of noise but don’t tend to smell bad like some foam types can.

What is polyethylene foam

Polyethylene foam is a type of foam that is made from plastic. It is one of the most common types of foam, and it has many benefits over other types. Polyethylene foam offers good noise suppression properties, so it’s usually less noisy than rubber or acoustic materials. This makes it a popular material for keyboards and other sound-sensitive devices. Additionally, polyethylene foam can be easily modified to create various shapes and sizes – perfect for customizing your keyboard to fit your needs.

Is polyethylene foam safe for use on keyboards

Yes, polyethylene foam is generally safe for use on keyboards. In fact, many manufacturers recommend using it as the primary type of foam for keyboard construction. Just be sure to read the manufacturer’s instructions carefully before installing your foam keyboard – there may be specific precautions you need to take in order to avoid damaging your device.

Can You Apply the PE Foam Mod To Pre-Built Keyboards

There is no one-size-fits-all answer to this question, as the mod can be applied to pre-built keyboards or you can build your own. If you are planning on building your own keyboard, there a few things that you will need before starting. First, you will need some foam material – this can be purchased cheaply online or at most hardware stores. You will also need a hot glue gun or an adhesive of some kind. Finally, in order to apply the PE Foam Mod, you will need a computer with a spare USB port and an appropriately sized mouse.

Why choose PE foam over other keyboard protectors

There are a few reasons why people might choose PE foam over other types of keyboard protectors. First, PE foam is very loud – which can be useful if you need to be able to hear what you’re typing without having to raise your voice. Second,PE foam is very effective at absorbing shock – so it can help reduce the potential damage that can be caused when your keyboard falls or is knocked off of its stand. Finally, while other types of keyboard protectors may offer some protection against dust and moisture, PE foam is particularly effective at preventing spills and grease from getting onto the keyboard keys.

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1 . How do I apply PE Foam to my keyboard?

You will need a hot glue gun or an adhesive of some kind in order to apply the foam. You can also use a computer with a spare USB port and an appropriately sized mouse in order to complete the installation process.

2 . Is PE Foam harmful to my keyboard?

There is no evidence that PE foam is harmful to your keyboard. In fact, many people find it to be a helpful accessory in terms of protecting the key switches and preventing damage from falls or spills.

3. What are the potential benefits of using PE Foam on my keyboard?

Some of the benefits of using PE Foam include increased durability and noise reduction. Additionally, it can help prevent grease and dust from getting onto the keys, which can lead to longer keyboard life and reduced wear on the key switches.


If you’re looking for a sound-dampening keyboard foam, the PE Mod is the best option available. It’s versatile and effective, and it comes with a range of benefits and drawbacks. Make sure to read the in-depth analysis of the sound quality to find out which foam is right for you. Also, be aware of the alternative sound dampening keyboards available, and decide if they’re a better fit for your needs. Thank you for reading.