What is the diameter? Want to use it to stop stuff dropping down the side of a bed!

od is around 40mm as measured which makes sense at 22id x 9mm wall.

Can this be used for outside anti freeze lagging or interior only ?

These are industrial rated insulation that can be used for indoor & outside lagging - however like most products if they're left outside in direct sunlight the thawing and refreezing process can cause it to crack over time. It's not indestructible and would need replacing after 2 years... Its not a permanent fix but it does a good job.

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9mm Thick Wall 22mm Bore 2m Self-Seal K-Flex Interior Pipe Insulation ::

Product ID: 131661563

Details

Brand
K-flex
Item thickness
9 Millimetres
Material
Aluminium
Number of Packs
1
Recommended uses for product
pipe

🔥Euroclass BL-s2,d0 fire rating

❄️Temp range -165°C to +110°C

🛡️pH neutral corrosion resistance

€ 21.20

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Description

🛠️ Insulate smarter, save bigger — don’t let your pipes miss out!

FIRE SAFE CERTIFIED - Euroclass BL-s2,d0 rating ensures top-tier fire safety compliance.
EFFORTLESS INSTALLATION - Self-seal design for quick, secure fitting—no mess, no fuss.
BUILT IN CORROSION DEFENSE - pH neutral formula prevents pipe corrosion, extending system life.
PREMIUM THERMAL EFFICIENCY - Low thermal conductivity (λ as low as 0.031 W/mK) keeps energy costs down.
EXTREME TEMPERATURE RESILIENCE - Withstands from -165°C to +110°C, perfect for any climate challenge.

The 9mm Thick Wall 22mm Bore 2m Self-Seal K-Flex Interior Pipe Insulation offers industry-leading thermal performance with a temperature range from -165°C to +110°C and ultra-low thermal conductivity. Its pH neutral composition prevents corrosion, while the Euroclass BL-s2,d0 fire rating guarantees safety. Designed for easy self-seal installation, it’s the trusted choice for professionals demanding durability and efficiency in HVAC, plumbing, and refrigeration systems.

Specifications

ASIN	B07FY1CD62
Best Sellers Rank	107,834 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,168 in Pipes, Pipe Fittings & Accessories
Brand	K-flex
Coverage	Volume: 706.86 cubic centimeters (for a 2-meter length of a 22mm bore pipe)
Customer Reviews	4.3 4.3 out of 5 stars (381)
Item Thickness	9 Millimetres
Manufacturer	L’ISOLANTE K-FLEX
Material	Aluminium
Model Number	KF0922
Number of Items	1
Number of Packs	1
Part Number	KF0922
Recommended Uses For Product	pipe insulation
Unit Count	1.0 count

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€ 21.20

Duties & taxes included

In stock

Sold byAmazon IrelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Ireland.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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