Where to buy pipe insulation?

For the widest selection, best prices, and easy ordering, purchase your pipe insulation online from Insulation Wholesale. We stock a full range of pipe insulation types for domestic and non-domestic use. Order in bulk for bigger projects, or get just the pieces you need for a small DIY job. We offer fast nationwide delivery directly to your door.

How to cut pipe insulation?

Measure the run: Walk the length of the pipe with a tape measure and note the sections you will cover. This saves guessing once you start cutting. Cut each piece to size: Lay the insulation beside the pipe, mark your length, and slice through with a sharp utility knife.

How to wrap pipe insulation?

Open the slit: Most tubes have a pre-cut opening. Gently pull it apart just enough to slide over the pipe – no need to stretch or bend it out of shape. Snap it around the pipe: Push the insulation on and let it settle naturally. A good fit will close itself without you having to pinch it tight. Seal the join: Use the built-in adhesive strip or foil tape to close the slit from end to end. Join the pieces: Butt each length neatly against the next so there are no gaps. If the corner pieces do not sit flush, trim them slightly until they meet cleanly. Secure the run: Add a bit of tape or a tie at long vertical drops or awkward bends. It keeps everything in place once the system warms up. Some pipe sleeves have a built-in self-seal strip, while others need foil tape to close the seam.

Will pipe insulation stop condensation?

Yes, as long as the insulation has adequate vapour resistance and is properly sealed. In bare pipes, warm air hits the cold pipe, forming droplets which then drip and cause damp patches.

What pipe insulation is best?

For typical household plumbing (hot water + cold): Go with polyethylene foam. It is cheap, works well, and installs easily. If the pipes are cold and risk condensation (like AC lines or exposed cold water): Use nitrile rubber. It is flexible and highly resistant to moisture. To be super efficient (for energy saving or a very high-spec job): Use phenolic or polyurethane foam. It costs more, but the performance is top-tier. If you have irregular shapes or tight spaces: Combine a tube insulation with foil-wrapped insulation for bends, valves or sections where standard tubes do not fit.

Pipe Insulation | Insulation Wholesale

9mm Thick 28mm Pipe Diameter Armacell Tubolit Polyethylene Foam Pipe Insulation 1000mm Length Pack of 95

Armacell_Tubolit_Insulation_tubes_with_open_tops

9mm Thick 28mm Pipe Diameter Armacell Tubolit Polyethylene Foam Pipe Insulation 1000mm Length Pack of 95

The 9mm thick Armacell Tubolit Polyethylene Foam Pipe Insulation for 28mm pipe diameter is a closed–cell PE insulation solution made for residential, light commercial, and light industrial use, helping improve thermal efficiency while shielding pipes against freezing conditions.

£180.00£216.00 Ex VATInc VAT Add to cart

9mm Thick 28mm Pipe Diameter Armacell Tubolit Polyethylene Foam Pipe Insulation 2000mm Length Pack of 95

9mm Thick 28mm Pipe Diameter Armacell Tubolit Polyethylene Foam Pipe Insulation 2000mm Length Pack of 95

The 9mm thick Armacell Tubolit Polyethylene Foam Pipe Insulation for 28mm pipe diameter is a closed–cell PE insulation solution made for residential, light commercial, and light industrial use, helping improve thermal efficiency while shielding pipes against freezing conditions.

£388.00£465.60 Ex VATInc VAT Add to cart

9mm Thick 35mm Pipe Diameter AF / Armacell Armaflex EVO Self-Seal Pipe Insulation 2000mm Pack of 38

9mm Thick 35mm Armacell Armaflex EVO Self-Seal Pipe is a flexible, closed-cell insulation with strong water vapour resistance, low thermal conductivity, and built-in Microban antimicrobial protection.

£203.00£243.60 Ex VATInc VAT Add to cart

9mm Thick 35mm Pipe Diameter Armacell Tubolit Polyethylene Foam Pipe Insulation 1000mm Length Pack of 75

9mm Thick 35mm Pipe Diameter Armacell Tubolit Polyethylene Foam Pipe Insulation 1000mm Length Pack of 75

The 9mm thick Armacell Tubolit Polyethylene Foam Pipe Insulation for 35mm pipe diameter is a closed–cell PE insulation solution made for residential, light commercial, and light industrial use, helping improve thermal efficiency while shielding pipes against freezing conditions.

£110.00£132.00 Ex VATInc VAT Add to cart

9mm Thick 35mm Pipe Diameter Armacell Tubolit Polyethylene Foam Pipe Insulation 2000mm Length Pack of 75

9mm Thick 35mm Pipe Diameter Armacell Tubolit Polyethylene Foam Pipe Insulation 2000mm Length Pack of 75

The 9mm thick Armacell Tubolit Polyethylene Foam Pipe Insulation for 35mm pipe diameter is a closed–cell PE insulation solution made for residential, light commercial, and light industrial use, helping improve thermal efficiency while shielding pipes against freezing conditions.

£350.00£420.00 Ex VATInc VAT Add to cart

9mm Thick 42mm Pipe Diameter Armacell Tubolit Polyethylene Foam Pipe Insulation 2000mm Length Pack of 55

9mm Thick 42mm Pipe Diameter Armacell Tubolit Polyethylene Foam Pipe Insulation 2000mm Length Pack of 55

The 9mm thick Armacell Tubolit Polyethylene Foam Pipe Insulation for 42mm pipe diameter is a closed–cell PE insulation solution made for residential, light commercial, and light industrial use, helping improve thermal efficiency while shielding pipes against freezing conditions.

£288.00£345.60 Ex VATInc VAT Add to cart

Pipe Insulation

Foam Pipe Insulation (43)

Foiled Back Pipe Insulation (68)

Phenolic Pipe Insulation (30)

9mm Thick 28mm Pipe Diameter Armacell Tubolit Polyethylene Foam Pipe Insulation 1000mm Length Pack of 95

9mm Thick 28mm Pipe Diameter Armacell Tubolit Polyethylene Foam Pipe Insulation 2000mm Length Pack of 95

9mm Thick 35mm Pipe Diameter AF / Armacell Armaflex EVO Self-Seal Pipe Insulation 2000mm Pack of 38

9mm Thick 35mm Pipe Diameter Armacell Tubolit Polyethylene Foam Pipe Insulation 1000mm Length Pack of 75

9mm Thick 35mm Pipe Diameter Armacell Tubolit Polyethylene Foam Pipe Insulation 2000mm Length Pack of 75

9mm Thick 42mm Pipe Diameter Armacell Tubolit Polyethylene Foam Pipe Insulation 2000mm Length Pack of 55

40mm Thick 169mm Pipe Diameter Rockwool Rocklap Aluminium Foil Faced Pipe Lagging 1000mm

40mm Thick 219mm Pipe Diameter Rockwool Rocklap Aluminium Foil Faced Pipe Lagging 1000mm

40mm Thick 273mm Pipe Diameter Rockwool Rocklap Aluminium Foil Faced Pipe Lagging 1000mm

40mm Thick 324mm Pipe Diameter Rockwool Rocklap Aluminium Foil Faced Pipe Lagging 1000mm

25mm Thick 140mm Pipe Diameter Kingspan Kooltherm Pipe Lagging 1000mm

25mm Thick 219mm Pipe Diameter Kingspan Kooltherm Pipe Lagging 1000mm

25mm Thick 48mm Pipe Diameter Rockwool Rocklap Aluminium Foil Faced Pipe Lagging 1000mm