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Loft Insulation Boards

Every home is different, so it's important to choose the right type of loft insulation for your needs. At Build4less.co.uk, we offer a wide range of loft insulation boards to suit every budget and requirement. Our team of experts are always on hand to offer advice and guidance, so you can be sure you're making the right decision for your home. We also offer free shipping on all eligible orders, so you can be sure you are getting the best possible deal.
23 products
Thermboard Insulated Loft Deck Board SE 1200mm x 600mm x 83mm (Pallet of 24) - Thermboard
Thermboard
£758.86 £910.63
£758.86 £910.63
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25mm Celotex TB4025 2.4m x 1.2m - Celotex Insulation
Celotex
£11.00 £13.20
£11.00 £13.20
£0.00
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Celotex PL4000 Insulated Plasterboard (All Sizes) 2.4m x 1.2m - Celotex Insulation
Celotex
Multiple Options
from £33.00 £39.60
from £33.00 £39.60
£0.00
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Warmline
Multiple Options
from £0.00 £0.00
from £0.00 £0.00
£0.00
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Danosa Danopren TR XPS Insulation 600mm x 1250mm - All Sizes - Danosa Insulation
Danosa
Multiple Options
from £39.06 £46.87
from £39.06 £46.87
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Recticel Eurothane GP (2.4m x 1.2m) All Sizes - Recticel Insulation
Recticel
Multiple Options
from £11.00 £13.20
from £11.00 £13.20
£0.00
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Warmline
Multiple Options
from £1,009.07 £1,210.88
from £1,009.07 £1,210.88
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Warmline
Multiple Options
£0.00 £0.00
£0.00 £0.00
£0.00
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Warmline PIR Insulated Plasterboard 1.2m x 2.4m - All Sizes - Warmline Insulation
Warmline
Multiple Options
from £29.47 £35.36
from £29.47 £35.36
£0.00
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IKO Enertherm ALU 25mm x 2.4m x 1.2m - IKO Insulation
IKO PIR
£11.55 £13.86
£11.55 £13.86
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IKO Enertherm ALU 30mm x 2.4m x 1.2m - IKO Insulation
IKO PIR
£13.13 £15.76
£13.13 £15.76
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IKO Enertherm ALU 40mm x 2.4m x 1.2m - IKO Insulation
IKO PIR
£16.28 £19.54
£16.28 £19.54
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IKO Enertherm ALU 50mm x 2.4m x 1.2m - IKO Insulation
IKO PIR
£17.22 £20.66
£17.22 £20.66
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IKO Enertherm ALU 60mm x 2.4m x 1.2m - IKO Insulation
IKO PIR
£22.05 £26.46
£22.05 £26.46
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IKO Enertherm ALU 70mm x 2.4m x 1.2m - IKO Insulation
IKO PIR
£24.15 £28.98
£24.15 £28.98
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IKO Enertherm ALU 75mm x 2.4m x 1.2m - IKO Insulation
IKO PIR
£24.05 £28.86
£24.05 £28.86
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IKO Enertherm ALU 80mm x 2.4m x 1.2m - IKO Insulation
IKO PIR
£27.51 £33.01
£27.51 £33.01
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IKO Enertherm ALU 90mm x 2.4m x 1.2m - IKO Insulation
IKO PIR
£30.19 £36.23
£30.19 £36.23
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IKO Enertherm ALU 100mm x 2.4m x 1.2m - IKO Insulation
IKO PIR
£29.40 £35.28
£29.40 £35.28
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IKO Enertherm ALU 110mm x 2.4m x 1.2m - IKO Insulation
IKO PIR
£38.85 £46.62
£38.85 £46.62
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IKO Enertherm ALU 120mm x 2.4m x 1.2m - IKO Insulation
IKO PIR
£36.74 £44.09
£36.74 £44.09
£0.00
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IKO Enertherm ALU 140mm x 2.4m x 1.2m - IKO Insulation
IKO PIR
£44.63 £53.56
£44.63 £53.56
£0.00
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IKO Enertherm ALU 150mm x 2.4m x 1.2m - IKO Insulation
IKO PIR
£44.63 £53.56
£44.63 £53.56
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Loft insulation boards are an essential component for any energy-efficient home, helping to reduce heat loss, lower energy bills, and increase comfort. Whether you're a professional contractor or a DIY enthusiast, understanding the different types of loft insulation boards available can help you make the best choice for your specific needs.

Types of Loft Insulation Boards

1. PIR (Polyisocyanurate) Boards

  • Examples: IKO Enertherm ALU, Recticel Eurothane GP

  • Description: PIR boards are known for their excellent thermal performance and thin profile, making them ideal for spaces where maintaining maximum headroom is crucial. They are rigid boards that can be used in various applications, including under roofing, within walls, and on floors.

     

2. Phenolic Foam Boards

  • Examples: Celotex PL4000

  • Description: Phenolic foam offers one of the highest levels of insulation per thickness. These boards are recognized for their fire performance and low smoke emission, making them a safe choice for homes.

     

3. XPS (Extruded Polystyrene) Insulation

  • Examples: Danosa Danopren TR XPS

  • Description: XPS is known for its moisture resistance and high compressive strength, making it particularly suitable for areas prone to dampness or where the insulation will be subject to heavy loads.

     

4. EPS (Expanded Polystyrene) Boards

  • Examples: Warmline EPS Insulated Plasterboard

  • Description: EPS is a lightweight and cost-effective option, offering good thermal insulation properties. It's commonly used in both new construction and retrofit applications.

     

5. Insulated Loft Deck Boards

  • Examples: Thermboard Insulated Loft Deck Board SE

  • Description: These are specialised boards designed for easy installation directly over existing joists, providing both insulation and a solid deck to walk on. They are an excellent choice for loft conversions or creating storage space in the attic.

     

Selecting the Right Board for Your Project

When choosing the right loft insulation board,consider the following:

  • Thermal Performance: Look at the R-value or U-value of the board to understand its insulation efficiency.
  • Space Constraints: Thinner, high-performance boards like PIR or phenolic might be preferred in tight spaces.
  • Application: Determine if the board is suitable for your specific application — some are better for floors, while others are designed for walls or roofs.
  • Moisture Resistance: In damp areas, consider moisture-resistant options like XPS.
  • Budget: Factor in the cost-effectiveness of the material for your project size and budget.
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