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Last updated: 3 December 2024

Hybris Insulation vs Celotex: Which Is Right for You?

  • Hybris insulation uses a multi-layered honeycomb design for thermal efficiency and soundproofing. Its lightweight flexibility makes it ideal for irregular spaces.
  • Celotex insulation, made from rigid PIR foam, offers thermal efficiency and a slim profile. It’s an affordable option for straightforward applications like walls and floors.
  • Hybris excels in soundproofing and flexibility, while Celotex is more budget-friendly and easy to install on flat surfaces. With Hybris at £22.98 per m² and Celotex at £11.11 per m², the choice depends on your project’s requirements.

Choosing the right insulation for your home is a big decision that can significantly impact your comfort and energy bills. With so many options available, it’s easy to feel overwhelmed—but two of the top contenders in the UK, Hybris insulation and Celotex insulation, stand out for their unique benefits tailored to different needs and budgets.

This guide will help you navigate the choice between these two popular options by breaking down their standout features, how they work, and which is best suited for your project. From a detailed comparison of costs and efficiency to insights on installation and key benefits, you’ll find everything you need to make an informed, stress-free decision.

Ready to insulate your home but not sure where to start? Don’t waste days researching or comparing quotes on your own. We’ll connect you with trusted local installers and provide up to 3 free quotes, all tailored to your unique project. It’s quick, easy, and completely hassle-free. Click below, fill out our quick form, and let us handle the rest. Start your journey toward a warmer, more energy-efficient home today!

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What is Hybris insulation?

Hybris insulation is an advanced, multi-layer product with optimal thermal and acoustic performance. This insulation stands out for its innovative honeycomb-like structure, which comprises layers of reflective foil and polyethylene foam. The unique design ensures high energy efficiency while being lightweight, durable, and easy to install.

How does hybris insulation work?

The secret to Hybris insulation’s effectiveness lies in its reflective layers. These layers work by reducing heat transfer in three ways:

  • Reflects radiant heat: The foil surfaces reflect radiant heat back into the room, helping to maintain a comfortable indoor temperature and reduce energy waste.
  • Minimises conductive heat loss: The polyethylene foam in its core helps block the flow of heat through solid materials, offering excellent thermal resistance.
  • Traps air: The honeycomb structure creates air pockets as an additional barrier against heat escaping your home.

What is Celotex insulation?

Celotex insulation is a type of rigid insulation board made primarily from polyisocyanurate (PIR) foam. It is widely used for walls, floors, and roofs in both residential and commercial properties. Its standout feature is its ability to provide excellent insulation with a relatively thin profile, making it a space-saving solution.

How does Celotex insulation work?

Celotex insulation works by creating a barrier that minimises heat transfer, ensuring that your home stays warm during cold UK winters and cooler during summer months. Here’s how:

  • Thermal resistance: The PIR foam core provides exceptional resistance to heat flow, helping to retain warmth inside your home and reduce energy consumption.
  • Low conductivity: Its structure features tiny closed cells, which are poor conductors of heat, making Celotex highly efficient in reducing heat loss.
  • Reflective foil facings: Most Celotex boards come with reflective foil on one or both sides. This further enhances insulation by reflecting radiant heat back into the room.

How does Hybris perform compared to Celotex insulation?

Hybris and Celotex each offer unique strengths in performance, usability, and suitability for UK homes. Here’s a clear comparison to help you understand their differences:

Thermal performance

Both Hybris and Celotex deliver excellent thermal performance, each suited to specific needs. Hybris’s flexible, multi-layered design is ideal for irregular spaces, while Celotex’s slim, efficient structure works best in space-limited areas. Here’s how they achieve their results:

  • Hybris insulation: Hybris stands out for its multi-layered honeycomb structure, combining reflective foil and foam layers to reflect radiant heat and trap air pockets. This design ensures effective insulation and makes Hybris ideal for maintaining comfortable temperatures year-round.
  • Celotex insulation: Celotex relies on its rigid PIR foam core and reflective foil facings to deliver low thermal conductivity and superior resistance to heat transfer. It is particularly effective in spaces where slim insulation is necessary.

Ease of installation

Installation can make or break an insulation project. Hybris wins in versatility, especially for projects requiring adaptability, while Celotex is ideal for straightforward installations. Here’s how each performs:

  • Hybris: Lightweight and flexible, Hybris is easy to cut and fit, making it perfect for irregular or hard-to-reach areas. Its design also eliminates the need for additional membranes in many cases.
  • Celotex: Celotex comes in rigid boards, which are quick to install on flat surfaces like walls, roofs, and floors. However, its inflexibility can make fitting it into tight or uneven spaces more challenging.

Soundproofing

For homeowners looking for peace and quiet, insulation’s acoustic properties can be just as important as its thermal efficiency. Hybris outshines Celotex in this area with its superior soundproofing capabilities. Here’s how they compare:

  • Hybris: Thanks to its layered design, Hybris also performs well as a sound barrier, reducing noise transmission effectively.
  • Celotex: Celotex provides basic acoustic benefits, but its rigid structure is not specifically designed for noise reduction.

Sustainability

Both options are designed with sustainability in mind, but there are subtle differences:

  • Hybris: Made using recyclable materials, Hybris is an eco-friendly option that aligns with modern sustainability goals.
  • Celotex: Celotex insulation also offers environmentally conscious choices, with many products boasting low Global Warming Potential (GWP).

Hybris insulation vs Celotex cost

The insulation material cost per square metre for Hybris is approximately £22.98 for a panel with a 90mm thickness, making it the more expensive option. In comparison, Celotex is cheaper and costs around £11.11 per square metre for a board with a 100mm thickness.

When comparing Hybris insulation and Celotex insulation in the UK, it’s important to consider both material costs and overall value. Here’s a breakdown to help you decide:

Hybris insulation costs

Hybris insulation panels come in various thicknesses. For example, a 90mm thick panel measuring 1145mm x 1200mm costs approximately £105.60 for a pack of four. A 155mm thick panel of the same dimensions costs around £105.60 for a pack of two.

The lightweight and flexible design of Hybris insulation makes it easy to fit, especially in irregular spaces. This can reduce labour costs and speed up installation.

Celotex insulation costs

Celotex offers PIR insulation boards in a variety of thicknesses. For example, a 100mm thick board measuring 2400mm x 1200mm costs approximately £32.00 per sheet. A 50mm thick board of the same dimensions is available for around £19.00 per sheet.

Celotex's rigid boards are ideal for flat surfaces and are straightforward to install. This efficiency can also help minimise labour costs.

Hybris insulation vs Celotex comparison table

When choosing between Hybris insulation and Celotex, it’s important to understand how they compare in terms of price, performance, and suitability for different applications. The table below highlights their key features to help you decide which insulation best meets your needs.

FeatureHybris insulationCelotex insulation
Price (per m²)£22.98 (90mm thickness)£11.11 (100mm thickness)
Thermal efficiency High, multi-layered designHigh, rigid PIR foam core
R-value3.8–4.03.6–4.5
Sound insulationExcellentModerate
Moisture resistanceReflective foil acts as a barrierLow water absorption
InstallationEasy for irregular spacesBest for flat surfaces
ApplicationsWalls, lofts, irregular spacesWalls, floors, flat roofs
Thickness optionsMultiple (e.g., 90mm, 155mm)Slim (e.g., 50mm, 100mm)
Environmental impactRecyclable materialsLow GWP

This table provides a clear overview of the strengths and limitations of each insulation type, ensuring you can make an informed decision based on your project and budget requirements.

Hybris insulation vs Celotex: Which one is right for you?

Deciding between Hybris insulation and Celotex insulation ultimately comes down to your specific needs, preferences, and budget. Whether you’re looking for superior soundproofing, flexibility for tricky spaces, or a cost-effective solution for straightforward applications, both products offer distinct advantages.

But choosing the right option can feel overwhelming, especially with so many factors to consider. Let’s summarise it further for you. 

Why choose hybris insulation?

  • Perfect for loft insulation or homes with irregular spaces where flexibility is essential.
  • Offers excellent acoustic insulation, creating a quieter and more comfortable living environment.
  • Combines thermal efficiency with advanced moisture resistance, making it a premium choice for long-term savings.

Why choose Celotex insulation?

  • Ideal for cost-conscious homeowners needing a reliable and efficient solution.
  • Its slim, rigid boards are quick to install on flat surfaces, saving time and effort.
  • Delivers high thermal performance at an affordable price, making it a smart choice for straightforward projects.

No matter which option you choose, proper installation is key to ensuring maximum performance and energy savings. That’s where we come in. 

We can connect you with trusted installers in your area and provide up to 3 free quotes, tailored to your project needs. Avoid the hassle of researching on your own and let us do the heavy lifting. Fill in our quick form, and we’ll match you with experts who can bring your insulation project to life. Click below to begin now! 

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