Best Foam Panel Insulation of 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Foam panel insulation is a type of insulation made from foam materials that are designed to fit snugly between walls, floors, and ceilings. These panels are known for their superior insulation properties, which help to keep homes and buildings warm in the winter and cool in the summer. They are also known for their ability to reduce noise and improve energy efficiency, making them an ideal choice for those looking to save on their energy bills. Foam panel insulation is available in a variety of sizes and thicknesses, making it easy to find the perfect fit for any space.
At a Glance: Our Top Picks
Top 10 Foam Panel Insulation
Self Adhesive Reflective Aluminium Foam Insulation
The Trafagala Insulation Foil is an excellent solution for enhancing sound and thermal insulation in various settings. Its closed cell foam structure makes it easy for you to fit into confined spaces, helping to reduce road and engine noise, ultimately improving your comfort. Made from high-quality materials, it reflects up to 95% of heat, ensuring a cosy environment and potentially lowering your energy bills. This versatile product is suitable for automobiles as well as homes, making it a practical choice for a variety of applications.
XPS Foam Insulation Boards for Underfloor Heating
The XPS Insulation Boards offer a lightweight and easy-to-install solution for your underfloor heating needs. You can place them on various surfaces like concrete or timber, which helps to improve insulation and reduce heating costs. Their waterproof properties make them resistant to cold and damp, perfect for outbuildings. Additionally, these boards are mould resistant, crafted from recyclable materials, ensuring a healthier environment while speeding up the heating process and retaining warmth when the system is off.
VEVOR Double Reflective Insulation Roll
The VEVOR Insulation Roll boasts a 3-in-1 design that combines radiant barrier, insulation, and vapour control, ensuring you stay comfortable throughout the year. Made from premium materials, it effectively reflects sunlight in summer while preventing heat loss in winter. With the ability to reflect over 95% of solar heat, this insulation keeps your space cool during hot days. Installation is a breeze, as it is easy to cut and can be tailored to your specific needs, providing a convenient solution for various applications.
Cosyspace XPS Foam Board for Insulation
The Cosyspace XPS Foam Board offers high density, making it perfect for improving insulation in poorly insulated properties. Its lightweight design ensures easy handling during installation, saving you time and effort. Additionally, this foam board is resistant to compression and water, providing stable performance in various applications, such as underfloor heating and loft insulation. With free next day UK shipping on orders over £59.99, you can enjoy a convenient and efficient solution for your insulation needs.
5 Small Rigid Polystyrene Foam Sheets
These UKPS Polystyrene Sheets are versatile and practical for various uses. Ideal for packing and dispatching items, they provide excellent protection during storage and transit. In the building trade, you can easily cut them down to size with a knife or hot wire, ensuring a perfect fit for your needs. Additionally, these sheets serve as effective floor insulation, helping to maintain temperature and improve energy efficiency in your projects.
YOUNTHYE Self Adhesive Reflective Insulation Roll
The YOUNTHYE Reflective Insulation is made from high-quality rubber and plastic, providing excellent thermal insulation and heat retention. This means you can keep your spaces warm in winter and cool in summer, helping you save on energy bills. Its self-adhesive design makes it easy to install, ensuring it stays in place. Additionally, it can be easily cut to fit any shape or size, making it versatile for various applications, whether at home, in the office, or even in your camper van.
CosySpace XPS Foam Insulation Boards 1200 x 600mm
The CosySpace XPS Insulation Boards are perfect for use with underfloor heating kits on concrete floors, providing a cost-effective alternative to tile backer boards. Their high density and lightweight nature make them an excellent choice for improving insulation in poorly insulated properties. These boards are made from extruded polystyrene, ensuring durability and stability in various applications, including walls and loft insulation. Additionally, they are water-resistant, which adds to their versatility in wet rooms and non-moisture areas, making your space more comfortable and efficient.
XPS Foam Insulation Boards for Underfloor Heating
The CosySpace XPS Insulation Boards are designed for use with underfloor heating kits on concrete floors, offering a cost-effective alternative to traditional tile backer boards. Their high density and lightweight nature make them ideal for poorly insulated properties, ensuring better heat retention. Made from extruded polystyrene, these boards are versatile and can be used in walls, lofts, and non-moisture areas. Additionally, their stable performance and resistance to compression enhance their durability, providing you with long-lasting insulation solutions.
Demsun P90 Polyurethane Spray Foam Insulation
The Demsun P90 Spray Foam offers exceptional heat insulation, helping you reduce energy loss in your home or business. By creating a seamless and airtight barrier, it minimises air leakage, which can lead to significant savings on heating and cooling costs. Its superior acoustic properties absorb sound waves, making your environment quieter and more comfortable. The versatile application allows you to use it on walls, roofs, and floors, providing customised insulation and soundproofing exactly where you need it.
Cosyspace 20mm XPS Insulation Board Pack
The Cosyspace XPS Insulation Board is an excellent choice for enhancing the comfort of your home. Available in various pack sizes, it allows you to select the right amount for your needs. Its high density and lightweight nature make it ideal for poorly insulated properties, helping you save on energy costs. Made from extruded polystyrene, this insulation board is versatile and can be used for walls, lofts, and underfloor heating. Additionally, its water-resistant features ensure durability while maintaining excellent thermal performance.
Frequently Asked Questions (FAQs)
1. Are foam panels good insulation?
Foam board insulation is a great alternative to the very common fiberglass batt insulation that is in most of our homes. It has a higher R-Value per inch of thickness, it's resistant to moisture and is easy to work with.
2. What is the R-value of 1 inch foam board?
The polystyrene is expanded. Styrofoam insulation is the cheapest material. R-values can range from 3.6 to 4.2 per inch.
3. How much does foam board insulation cost?
The cost of foam board insulation ranges from about 30 cents per square foot to close to $1.00 depending on the type and thickness of the board. When an insulation contractor installs the insulation, the total cost of materials plus installation is $1.50 to $5.50 for most projects.
4. Which is better foam board or insulation?
Made from polymers like polyurethane and polystyrene, rigid foam boards are denser, more expensive, and offer better resistance to heat flow than fiberglass. Conversely, fiberglass insulation is cheaper and more flexible, as it is made from raw materials like limestone, silica sand, and recycled glass.
During our foam panel insulation research, we found 87 foam panel insulation products and shortlisted 10 quality products. We collected and analyzed 6,152 customer reviews through our big data system to write the foam panel insulation list. We found that most customers choose foam panel insulation with an average price of £21.40.
The foam panel insulation are available for purchase. We have researched hundreds of brands and picked the top brands of foam panel insulation, including Trafagala, IMPERIAL STUDIOS, VEVOR, Cosyspace, UKPS. The seller of top 1 product has received honest feedback from 903 consumers with an average rating of 4.1.

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.