What is IXPE Foam? Uses, Benefits & Which Thickness to Choose

What is IXPE Foam? Uses, Benefits & Which Thickness to Choose

If you’re looking for a lightweight, durable and high-performance foam, IXPE foam is one of the best options available.

Whether you’re insulating a caravan, lining a van, reducing noise, or adding protective padding, IXPE foam offers a versatile and reliable solution.

In this guide, we’ll explain what IXPE foam is, its key benefits, and help you choose the right thickness for your project.

What is IXPE Foam?

IXPE stands for Irradiated Cross-Linked Polyethylene foam. It is a closed-cell foam that has been chemically and physically enhanced to improve strength, flexibility and performance.

Compared to standard foam materials, IXPE is:

• More durable
• More resistant to moisture
• Better at insulating heat and sound
• Cleaner and more consistent in structure

This makes it ideal for both DIY and commercial applications.

Key Benefits of IXPE Foam

✔ Water-Resistant & Moisture Proof

IXPE foam has a closed-cell structure, meaning it doesn’t absorb water. This makes it perfect for marine, automotive and outdoor use.

✔ Thermal Insulation

IXPE helps regulate temperature by reducing heat transfer, making it a popular choice for caravans, campervans and buildings.

✔ Sound Absorption

While not fully soundproof, IXPE foam reduces vibration and noise, making it ideal for walls, floors and vehicles.

✔ Lightweight & Easy to Work With

IXPE foam is easy to cut, shape and install — especially with self-adhesive options.

Choosing the Right IXPE Foam Thickness

Selecting the right thickness depends on your application. Here’s a simple guide:

🔹 5mm IXPE Foam – Thin & Flexible

Best for:

• Flooring underlay
• Wall lining
• Light insulation

IXPE Foam Roll 5mm x 1m Wide (Per Metre or Full Roll)

🔹 10mm IXPE Foam – All-Rounder

Best for:

• Caravan insulation
• General sound reduction
• Wall and floor applications

IXPE Foam Roll 10mm x 1m Wide (Per Metre or Full Roll)

🔹 10mm Self Adhesive IXPE Foam – Easy Installation

Best for:

• Quick installs
• Van and vehicle lining
• DIY insulation projects

IXPE Foam Roll 10mm Self Adhesive x 1m Wide

🔹 20mm Self Adhesive IXPE Foam – Maximum Performance

Best for:

• Heavy-duty insulation
• High-impact cushioning
• Premium applications

IXPE Foam Roll 20mm Self Adhesive x 1m Wide

Self Adhesive vs Standard IXPE Foam

One of the biggest advantages of IXPE foam is the option for self-adhesive backing.

Self Adhesive:

• Faster installation
• No glue required
• Cleaner finish

Non-Adhesive:

• More flexibility in application
• Ideal for layering or custom installs

Can IXPE Foam Be Cut to Size?

Yes — IXPE foam is easy to cut using a sharp knife or scissors.

If you need something more specific, you can also use our foam cut to size service to get the exact dimensions required for your project.

Common Uses for IXPE Foam

IXPE foam is widely used across multiple industries:

• Caravan and campervan insulation
• Automotive and van fit-outs
• Marine applications
• Flooring underlay
• Wall insulation
• Packaging and protection

Australia-Wide Supply

At Foam for Home, we supply premium IXPE foam rolls across Australia, including Perth, Sydney, Melbourne, Brisbane and Adelaide, with fast delivery options available.

Final Thoughts

IXPE foam is a versatile, durable and high-performance material suitable for a wide range of applications.

Whether you need a thin underlay or heavy-duty insulation, choosing the right thickness — and whether you need adhesive backing — will ensure the best results for your project.