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Compare thermal insulation materials

Here at BuildBuddy, we understand that thermal insulation is vital for professional builders. Whether for a new build, or for work on an older property, it helps create the thermal efficiency and energy efficiency required for safe, sustainable buildings. And modern insulating materials don’t just provide heat insulation, they can also often come with additional benefits like sound reduction and waterproofing.

Why choose BuildBuddy for thermal insulation?

Comparing thermal insulation materials is quick and simple with BuildBuddy. We’ve scanned the market so you can see all your options in one place. Just add the products you need to the basket, and we'll tell you where you can save money.

Or, upload your list of thermal insulation materials to Buildbuddy Pro, and we’ll look the items up for you.

Heat insulation materials for building and construction projects

Whether it’s thermal insulation boards, rolls, slabs or sheets, we’ve got the materials you need for your build. Our listings include PIR thermal insulation board, mineral wool and multifoil, as well as products from all the main insulation brands, like Kingspan, Rockwool and Knauf.

So, whatever your project requires, discover the best thermal insulation materials right here on Buildbuddy.

231 results

Retailer

  • Materials Market (87)

  • Builder Depot (67)

  • Huws Gray (47)

  • Jewson (38)

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Brand

  • Knauf (32)

  • Kingspan (24)

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Frequently asked questions about thermal insulation and thermal insulation products

1. What is a thermal insulation?

Thermal insulation refers to any product that’s used to reduce heat transfer from one area of a building to another. For example, between the inside of a house and the outside. This is useful in both cold and hot weather, preventing heat escaping from the building during winter, as well as keeping heat out in the summer.

Aside from comfort, thermal insulation can also save occupants money on heating and air conditioning. It makes buildings easier and quicker to heat and cool, improving energy efficiency. For this reason, efficient insulation is also important on sustainable builds.

2. What are the building regs for thermal insulation in construction?

The building regulations for thermal insulation are different depending on which part of the UK your project is in. If you're working on a new or existing building in England, Approved Document L: Conservation of Fuel and Power contains the energy performance standards that you need to follow. Wales has its own version of Approved Document L, and the Scottish standards are in Section 6 of the Building standards technical handbook.

3. What’s thermal conductivity for insulation materials?

The ‘thermal conductivity’ of a material is a measure of how easily heat can travel through it by conduction. This figure is often called the lambda value of the material. As a rule, the lower the thermal conductivity figure, the better the performance.

However, thermal conductivity isn’t all that’s needed for a product to be a good thermal insulator. Other factors like thermal resistance, density and heat capacity should also be taken into account.

You can find a quick guide to the properties of different thermal insulation building materials here on GreenSpec.