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4mm Radiator Foil Insulation Roll | Reflective Heat Barrier

£12.95
£12.95
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Shipping information

Fast UK Shipping
Orders ship within 1 working day (excluding bank holidays). Standard delivery is 48 hours for small items and 24 hours for larger parcels. UK next-day delivery is available for orders placed before 11am.

Returns information

You may return an item for any reason within 30 days of receiving your order, provided the return is initiated within this period.
Items must be returned unused, in their original condition, and with original packaging intact.

Customers are responsible for return postage costs unless the item is faulty or incorrect.

Faulty or Damaged Items

If your item arrives damaged, faulty, or incorrect, you must notify us within 24 hours of delivery so we can investigate and resolve the issue promptly.
Where a fault is confirmed, we will offer a replacement, repair, or refund, and return postage will be covered by us where applicable.

Refunds

Once your return is received and inspected, refunds will be processed to the original payment method within a reasonable timeframe.
We reserve the right to refuse a refund if the item is returned in a condition that does not meet the above requirements.

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Product Details

Radiator Foil Insulation Roll – 4mm Double Reflective Thermal Barrier

Experience professional-grade insulation with this premium 4mm thick radiator foil insulation roll. Designed to enhance energy efficiency and indoor comfort, this double reflective aluminium foil insulation reflects over 95% of radiant heat back into your room – helping to cut heating bills and reduce energy waste.

🔥 Key Benefits:

  • Reflects Over 95% of Radiant Heat – Keeps more warmth inside your space for better energy savings.

  • Thicker & More Durable (4mm) – Outperforms standard 3mm insulation with greater thermal performance and strength.

  • Reduce Heating Costs – Ideal for use behind radiators, especially on external walls, to prevent heat loss.

  • Easy DIY Installation – Simply cut to size with scissors – no tools, glue, or special equipment needed.

  • Multi-Use Insulation – Suitable for radiators, sheds, camper vans, garages, lofts, greenhouses, and more.

  • 3-in-1 Barrier – Functions as thermal insulation, a radiant heat reflector, and a vapour barrier.

  • Lightweight & Durable – Built with a tough PE bubble core and scratch-resistant aluminium foil.

📏 Available Sizes:

  • Lengths: 5 Metres, 10 Metres, 20 Metres

  • Widths: 0.6 Metres (60cm) or 1.2 Metres (120cm)

Choose the size that suits your project — whether you're insulating a radiator or lining an entire van or shed.

Perfect for: Radiator panels, wall insulation, campervan conversions, shed insulation, window heat reflection, and more.

Upgrade your insulation today — an easy, effective way to stay warm and save on energy.