Welcome to Molygran, your trusted partner in providing high-quality expanded polystyrene (EPS) for all your insulation needs. With years of expertise and a commitment to excellence, Molygran stands out as a leader in the supply of EPS products, designed to meet the specific requirements of your projects, whether big or small.


Discover Molygran’s polystyrene roof insulation for energy efficiency and comfort. Our high-performance EPS products regulate temperatures, lower energy costs, and enhance building sustainability. Suitable for new builds and retrofits, they provide lightweight, durable thermal resistance. Learn how Molygran’s insulation can create an energy-efficient space.

Discover Molygran’s polystyrene wall insulation for superior energy efficiency and comfort. Our high-performance EPS products are designed to maintain optimal indoor temperatures, reduce energy consumption, and enhance the sustainability of your buildings. Ideal for both new constructions and retrofitting projects, these lightweight yet durable insulation solutions provide excellent thermal resistance. Learn how Molygran’s wall insulation can transform your space into an energy-efficient, comfortable environment.

Discover the perfect blend of efficiency and innovation with Molygran’s polystyrene inserts, specially designed for UPVC and aluminium frames. These lightweight, durable inserts provide exceptional insulation and structural support, improving energy efficiency and reducing thermal bridging. Click here to explore how our polystyrene solutions can enhance your window and door frames, transforming your space into a more sustainable and comfortable environment.

Enhance comfort and energy efficiency with our advanced polystyrene retrofit roofing solutions. Molygran’s grey expanded polystyrene offers superior thermal performance, ensuring your building remains a versatile space year-round. Lightweight, durable, and eco-friendly, our products provide exceptional insulation while seamlessly integrating with existing structures. Click here to discover how Molygran can help you create a more comfortable and sustainable space.
Expanded polystyrene (EPS) is increasingly recognised as a superior insulation material. Its unique properties make it the perfect choice for a wide range of applications:

Superior Insulating Performance
EPS has excellent thermal insulation properties, thanks to its closed-cell structure that traps air and reduces heat transfer. This makes it highly effective at maintaining desired temperatures, whether keeping heat in during winter or out during summer. When selecting insulation materials, understanding U-values is crucial. The U-value measures the rate of heat transfer through a material, with lower U-values indicating better insulating properties. For expanded polystyrene (EPS), achieving optimal U-values ensures that your building maintains a comfortable temperature, reducing the need for additional heating or cooling and thus saving energy.

Lightweight and Durable
One of the standout features of EPS is its lightweight nature, which makes it easy to handle and install. Expanded polystyrene (EPS) is lightweight primarily due to its structure, which consists of numerous tiny air-filled cells. This foam-like composition significantly reduces its density while maintaining strength and insulation properties. The air trapped within these cells gives EPS its buoyancy and lightness, making it easy to handle and transport. Despite its weight, EPS is engineered to provide excellent durability and thermal resistance, ensuring that it remains effective in various applications without compromising performance.

Eco-Friendly and Cost-Effective
EPS is an environmentally friendly choice. It is 100% recyclable and contributes to energy efficiency in buildings, which can lead to significant cost savings over time. Additionally, its production has a lower environmental impact compared to other insulation materials.
Versatile Applications
EPS is known for its versatility, making it suitable for a wide range of insulation needs:
- EPS Sheets: Ideal for wall, roof, and floor insulation, EPS sheets are easy to cut and fit into any space, providing a seamless insulating layer.
- Custom-Cut EPS Pieces: For projects requiring specific shapes and sizes, Molygran offers custom-cut EPS pieces that perfectly fit your design specifications.
- EPS Blocks: Used in larger construction projects, such as insulating foundations or creating insulated concrete forms, EPS blocks offer robust and reliable insulation.
Why Partner with Molygran?
At Molygran, we pride ourselves on delivering high-quality EPS products tailored to meet your needs. Our team of experts is dedicated to providing exceptional customer service and technical support, ensuring you receive the best solution for your insulation projects.
Our Commitment to Quality
- Precision Manufacturing: We use state-of-the-art technology to produce EPS with consistent quality and performance.
- Customisation Options: We offer a range of customisation options to suit your specific insulation requirements.
- Sustainability Focus: Our processes prioritise sustainability, ensuring our products are both effective and environmentally responsible.
Discover the Molygran difference and see why expanded polystyrene is the material of choice for insulation. Contact us today to learn more about our products and how we can assist you in achieving superior insulation for your projects. Let Molygran be your partner in creating energy-efficient, comfortable spaces with the power of EPS!
You can be sure, with us, your polystyrene products are not harming our future.
Molygran – your partner in excellence.