Insulation Boards – The Ultimate Guide to Sizes, Types & Applications

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Introduction to Insulation Boards

Insulation boards are essential for improving energy efficiency, thermal performance, and soundproofing in buildings. Available in various materials and thicknesses—from 6mm to 150mm—they are used in walls, roofs, floors, and specialized applications like coolrooms.

This guide covers the best insulation board types, their thickness options, and ideal applications to help you choose the right product for your project.

50mm 100mm 150mm insulation board

Popular Insulation Board Thicknesses

Insulation boards come in multiple thicknesses to suit different needs:

15mm insulation board

1. Thin Insulation Boards (6mm – 25mm)

  • 6mm, 10mm, 12mm,15mm, 20mm, 25mm
  • Ideal for:
    • Internal wall insulation
    • Underfloor heating systems
    • Soundproofing layers
    • Retrofit projects where space is limited
50mm sandwich panel

2. Medium-Thickness Boards (30mm – 75mm)

  • 30mm, 40mm, 50mm, 60mm, 70mm, 75mm
  • Best for:
    • External wall insulation (EWI)
    • Roof and loft insulation
    • Commercial and residential thermal upgrades

3. Thick Insulation Boards (90mm – 150mm)

  • 90mm, 100mm, 120mm, 150mm
  • Used in:
    • High-performance thermal insulation
    • Floor insulation (especially 100mm floor insulation boards)
    • Cold storage & coolroom panels (e.g., 50mm coolroom panels)
100mm insulated WALL panels

Types of Insulation Boards

1. PIR Insulation Boards

  • High thermal efficiency (best R-value per thickness)
  • Common sizes: 25mm, 50mm, 100mm PIR insulation boards
  • Used in roofs, walls, and floors

2. Rockwool Slabs

  • Fire-resistant & soundproof
  • Example: 50mm Rockwool slabs

3. Sandwich Panels

  • Pre-insulated panels for quick installation
  • Sizes: 40mm, 50mm, 75mm insulated roof panels

4. Coolroom & Refrigeration Panels

  • Designed for temperature-controlled environments
  • Example: 25mm & 50mm coolroom panels

How to Choose the Right Insulation Board?

  • For walls: 50mm – 100mm PIR or rigid foam boards
  • For roofs: 70mm – 150mm insulated roof panels
  • For floors: 100mm floor insulation boards
  • For soundproofing: 25mm – 50mm Rockwool slabs

Where to Buy Quality Insulation Boards?

We supply premium insulation boards in all sizes—from 6mm to 150mm—including PIR, Rockwool, and sandwich panels. Get the best thermal and acoustic solutions for your project!

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Conclusion

Whether you need a thin 10mm board for internal use or a 150mm thick panel for maximum insulation, choosing the right insulation board ensures energy savings and comfort. Check our range today for the best prices and performance!

📢 Call to Action:
Need help selecting insulation? Contact our experts for advice on the best boards for your needs!

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