4mm Radiator Foil Insulation Roll | Reflective Heat Barrier

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.