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  • climaflex polyethylene pipe insulation
  • climaflex polyethylene pipe insulation

Climaflex Foam Pipe Lagging - From 52p/m (Bulk Box) - Grey Polyethylene Best Seller

Rated 5.0 by 2 Happy Customers
(incl VAT) £164.39 £149.45
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(excl VAT) £124.54
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Estimated Delivery Date Jul 17, 2026 - Jul 20, 2026
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Climaflex Polyethylene (PE) Pipe Insulation is the industry-standard solution for thermal regulation, energy conservation, and frost protection in domestic and commercial plumbing. Engineered with a closed-cell foam structure, these 2-metre lengths provide an impermeable barrier against moisture while reducing heat loss by up to 80%. With a thermal conductivity of 0.034 W/mK at 0°C, Climaflex ensures that hot water remains hot and cold-water pipes stay protected against sub-zero temperatures.

Salient Features:

  • Thermal Conductivity: Foam pipe insulation is made from high-quality polyethylene, ensuring excellent durability and long-lasting insulation performance. With a thermal conductivity of 0.034 W/mK (at t 0 °C), it ensures optimal energy savings. In fact, it is known to reduce loss of heat from distributors in plumbing and heating installations by up to 80%. This makes it perfect insulation for outdoor pipes.
  • Sound Insulation: Thanks to its superior quality PE foam, this pipe lagging has sound absorbing properties, reducing pop and flow noises in pipes.
  • Moisture Resistance: Climaflex is a closed-cell foam pipe lagging and is resistant to moisture, offering protection for external pipe lagging.
  • Versatile: Climaflex pipe lagging can be used to insulate a wide range of pipework, including central heating pipework. It is ideal for use as pipe insulation for outside use, such as in loft spaces or outdoor plumbing insulation, as this grey foam lagging prevents pipes from freezing in colder weather. It is perfect for most commercial and domestic applications as it is tolerant to a wide temperature range of -45 °C to +105 °C.
  • Easy to Install: Plumbers, DIY enthusiasts, and professionals alike will appreciate how easy it is to insulate pipes with Climaflex. Its unspilt, flexible, user-friendly design allows for quick and hassle-free installation of cold weather pipe insulation.
  • Environmentally Friendly: Climaflex pipe insulation is entirely CFC-free, making it an eco-friendly choice for insulation projects. It has no ozone depletion potential and helps protect the environment while safeguarding your exposed pipes. 
  • UK Certified Performance: This product achieves Class E fire classification to BS EN 13501-1, suitable for UK building applications.

Applications

Climaflex Pipe Insulation:

  • Is commonly used to insulate central heating systems.

  • Suitable for residential and commercial plumbing projects.

  • Protects pipes in loft spaces and external locations to prevent freezing, with its exterior pipe thermal protection.

  • Provides excellent outdoor frost pipe insulation and outside pipe heat retention wrap.

Whether you need insulation for exposed pipes or weatherproof pipe insulation for residential or commercial applications, Climaflex offers effective insulation, reducing heat loss and safeguarding pipes from external elements all year round.

  • 2M grey polyethylene foam pipe lagging, supplied in box quantities
  • Cheaper on a per metre basis than buying in single lengths
  • Thickness Available: 9mm, 13mm,19mm and 25mm
  • Bore Size: 15mm to 76mm
  • Climaflex polyethene pipe insulation's low thermal conductivity and ensures energy savings. 
  • Gives up to 23 dB of noise reduction
  • Cost-effective material made of  PE foam yields an excellent cost/performance ratio.
  • Ideal to insulate central heating pipework, for use in loft spaces, domestic applications and more
Insulation Type  Pipe Insulation
Material  PE Foam
Brand  Climaflex
Length  2M
Thickness Available  9mm, 13mm, 19mm and 25mm
Size Available  15mm, 22mm and 28mm
Thermal Conductivity  0.034 W/mK at 0 °C
Temperature Tolerance  -45 °C to +105 °C
Noise Dampening  up to 23 dB(A) (DIN 52218)  
 Water Vapour Permeability    μ ≥ 16000 ( DIN52615) 

 

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Delivery Terms
Order Value  Delivery Condition
 All orders  £35.00 (TR Postcodes and Scotland POA)

Returns, Cancellations and refunds:

  • You are free to cancel your order before we send you an order confirmation email and get a full refund
  • Once the order is confirmed and an estimated delivery date is issued via email, Orders cannot be cancelled.
  • Incorrectly ordered Goods can be returned within 14 days of delivery at our discretion. Buyer pays postage
  • All return requests must be made via email. Please email us and we will assist accordingly

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The Ultimate Guide to Climaflex Grey Foam Pipe Lagging

The Ultimate Guide to Climaflex Grey Foam Pipe Lagging

Whether you are a professional tradesperson or a DIYer looking to slash your energy bills, Climaflex Polyethylene (PE) foam pipe insulation is the industry standard for thermal protection. Lightweight, durable, and incredibly cost-effective, it is the "fit and forget" solution for domestic and commercial plumbing.

Why Choose Climaflex Foam Insulation?

Climaflex is a closed-cell grey foam pipe lagging known for its "non-hydroscopic" properties—meaning it won't absorb water. This makes it superior to older, fiber-based laggings that can rot or lose effectiveness when damp.

  • Stop Heat Loss: Save up to 80% on heat loss from exposed hot water pipes.

  • Frost Protection: Prevent the nightmare of burst pipes during UK winters.

  • Noise Reduction: Dampens the sound of "water hammer" and vibrations in floorboards.

  • Eco-Friendly: 100% recyclable and CFC/HCFC free.


How to Choose the Right Size

To get the best performance, you need a snug fit. We stock Climaflex for all standard UK copper and plastic pipe diameters:

  • 15mm Bore: Most common for domestic central heating and sink feeds.

  • 22mm Bore: Standard for main water feeds and boiler flow/return pipes.

  • 28mm Bore: Used for high-flow systems and commercial plumbing.

Trade Tip: If you are insulating pipes in a cold loft or crawl space, we recommend the 13mm or 19mm wall thickness for extra "U-Value" protection against freezing.


Installation Made Simple

One of the reasons foam pipe lagging is so popular is the ease of installation.

  1. Clean: Ensure the pipe is dry and free of dust.

  2. Snap-On: Our Climaflex lengths are pre-slit. Simply pull the seam apart and snap it over the pipe.

  3. Seal: For the best thermal seal, use Climaflex adhesive tape or cable ties at 500mm intervals to keep the lagging tight.

  4. Mitre Joins: For 90-degree bends, simply cut two 45-degree angles for a professional, seamless corner.


The Trade Advantage: Why Buy in Bulk?

At [Your Store Name], we specialize in bulk box quantities. While retail DIY stores often charge a premium for single 1-metre lengths, buying a full box allows us to pass massive savings on to you.

  • Big Box Retailers: Typically £1.90 - £2.10 per metre.

  • Our Bulk Rate: As low as 52p per metre.

For large-scale renovations or new builds, the savings on a single house-load of lagging can often exceed £50.


Frequently Asked Questions

Can Climaflex be used outside?

Yes, Climaflex is excellent for exterior pipe insulation, but because it is a polyethylene foam, we recommend painting it with water-based masonry paint or covering it with weather-proof tape if it is in direct sunlight to prevent UV degradation over time.

What is the temperature range?

Climaflex is designed to handle temperatures from -40°C to +100°C, making it perfect for both domestic hot water and cold-water frost protection.

Does it help with condensation?

Absolutely. By insulating cold water pipes with grey foam lagging, you prevent the air's moisture from hitting the cold metal, stopping "pipe sweat" and damp patches on ceilings.


Summary of Benefits

  • Best For: Preventing frozen pipes and reducing energy bills in homes and offices.

  • Pros: Rot-proof, easy to cut, odorless, and incredible value when bought in bulk.

  • Cons: Needs UV protection if used in direct, permanent sunlight.

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 All orders  £35.00 (TR Postcodes and Scotland POA)

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