Mineral wool Knauf Omnifit Slab 35 50mm (1200x600)

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Building regulations

How much Insulation do I need?

The answer to that will depend on:

  • what type of building you are insulating (domestic or non-domestic, new build or refurbishment),
  • where you need to insulate (walls, roof, floor etc),
  • how the building work is constructed (materials used etc) and,
  • where in the UK the project is located (the rules are can differ for England, Scotland, Wales and NI).

To find out what minimum U-Value you need to achieve for your project to comply with building regulations, please go to:

So there we are, hopefully this will help a little in your understanding of Insulation values. If you do have any questions or would like to discuss your insulation requirements, please feel free to give us a call on +48 505 425 895 or email does not accept liability for loss or damage arising from the use of this information.

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