Looking for simple and cost-effective ways to conserve heat in your home and help reduce energy bills? You'll love this ThermaWrap radiator insulation - it can be easily cut to size so it fits discreetly behind your radiators, and it's a great way to prevent heat loss.
The aluminium foil surface of the membrane efficiently reflects heat from your radiators back into the living space. The result? Increased performance from your radiator without using any extra energy, creating a warmer and more efficient room.

• Fits discreetly behind your radiators to conserve heat
• Stops heat escaping to increase radiator performance
• Saves energy and money by retaining heat
• R-Value up to 0.74 m²K/W (equivalent to 35mm of mineral wool)
• Ultra-thin, lightweight and flexible
• Easy to install - can be cut to any size
• Water, mould and fungi-resistant - easy to wipe clean
• Fully Agrément-certified
• Made in Britain

Delivery (UK mainland only)

 

Next Day: £5, or FREE over £40

- Order by 9pm Mon-Thu: next working day

- Order Fri to 5pm Sun: Monday

- Order after 5pm Sun: Tuesday

 

Pre-12pm: £10

- Same cut-offs as Next Day above

 

Saturday & Sunday: £10, or £5 over £40, or FREE over £75

- Saturday: order by 6pm Fri

- Sunday: order by 4pm Sat

 

Heavy items (over 30kg)

- Mon-Fri only. Order by 6pm and allow up to two working days

- Order after 6pm Thu: arrives after the weekend

 

Supplier items

- Sent directly by the supplier, so timings vary. Lead times appear on the product page in working days (Mon-Fri)

 

More about delivery 

Next Business Day Collection (eligible items)

- Order by 9pm Mon-Thu: collect next day

- Order after 9pm Thu to 5pm Sun: collect Monday

- Heavy items (over 30kg): allow up to two working days

 

Opening hours

- Weekdays vary by branch: open 6:30am-7am, close 6pm-8pm

- Saturday: 7am-6pm

- Sunday: 9am-4pm

 

Check your local store's hours and that it's open before visiting. Please wait for our text or email before collecting.

 

Holding your order
We'll hold it for 14 days, then automatically refund your original payment method.