Insulation Calculator

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Need Help Choosing the Right Insulation? Start Here

1. Buy Insulation Online with Confidence

Whether you’re sourcing materials for a commercial build or planning a large residential development, selecting the right insulation is crucial.

At CB Building Products, we make it easy for trade professionals to:

  • Buy cavity wall insulation online.
  • Order loft and floor insulation in bulk.
  • Compare PIR insulation boards and acoustic rolls.
  • Calculate U-values for compliance with UK energy regulations.
  • Get expert support on thermal performance and building standards.

2. Our Trade-Ready Insulation Range Includes

  • Celotex PIR Boards: Industry-leading performance for walls, roofs, and floors.
  • Knauf Loft Rolls: Efficient, lightweight, and ready for immediate dispatch.
  • Rockwool Acoustic Slabs: Trusted soundproofing for office, education, and healthcare settings.
  • Isover Cavity Slabs: Excellent thermal resistance with low environmental impact.

Calculate U-Values with Ease

U-values are essential for determining the thermal efficiency of building materials, and ensuring your project meets energy-saving regulations. The lower the U-value, the better insulated your structure will be, reducing heat loss and improving overall energy efficiency.

To Make this Process Easier

We’ve provided a direct link to the Celotex U-Value Calculator. This tool allows you to calculate the U-value of your insulation materials quickly and accurately, helping you select the right products for your project.

Click here to access the Celotex U-Value Calculator

What’s the Best Insulation for Your Project?

Every build is different. That’s why our team helps you choose the correct product based on:

  • Required U-value targets
  • Application area (roof, floor, wall, partition)
  • Moisture exposure risk
  • Fire safety compliance needs
  • Acoustic control goals

Buy Direct from a Trusted UK Insulation Supplier

As a bulk insulation supplier, CB Building Products offers:

  • Trade accounts and volume pricing
  • Nationwide fast delivery
  • On-hand technical support
  • Access to brand calculators (e.g. Celotex U-Value Calculator)

FAQs

What is the best insulation for meeting UK U-values?
PIR boards like Celotex and Recticel offer excellent thermal efficiency, ideal for achieving low U-values in walls, floors, and roofs.
Can I buy insulation online with trade pricing?
Yes, CB Building Products offers trade accounts with exclusive discounts on bulk insulation orders.
Which insulation is suitable for damp areas?
Moisture-resistant products like Rockwool RWA45 and Warmline insulated plasterboards are ideal for bathrooms, kitchens, and basements.
Do you supply insulation that meets fire regulations?
Absolutely. We offer fire-rated insulation solutions from Rockwool, British Gypsum, and other leading brands.
How can I check if my insulation meets building regulations?
Use our Insulation Calculator or the Celotex U-Value tool to verify thermal compliance. Our team can also help with technical advice.

Need fire-rated, moisture-resistant or high-performance insulation?

Speak to our experts
OR
Order Online today to keep your project compliant, efficient, and on schedule.