K-Flex ST Plus Insulation
K-Flex ST Plus Insulation - 15mm x 9mm / 2 Metres is backordered and will ship as soon as it is back in stock.
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Delivery and collection
Delivery is calculated at checkout, with free delivery over £250 on eligible products. Liverpool collection is available for eligible confirmed orders—please wait for confirmation before travelling. View delivery information.
Delivery Information
Delivery Information
Parcel Deliveries
- Standard delivery cost: £9.99 + VAT
- Delivery time: 2 – 4 working days (if in stock)
- If your order exceeds parcel size limits, it will be upgraded to a pallet shipment, with updated pricing at checkout
Pallet Deliveries
- Standard delivery cost: £30 + VAT
- Delivery time: 2 – 4 working days (if in stock)
- Some products have special delivery rates and are excluded from the free delivery offer
Double Pallet Deliveries
- Applies to large or bulky items requiring a double pallet
- Celotex Boards (2400 x 1200mm): £75 delivery fee
- ODE Starflex Rolls: Delivery ranges from £19.99 - £59.99, depending on quantity
Delivery Areas
- Standard delivery is available for England & Wales
- We deliver to Scotland & Northern Ireland, but you must contact us for pricing
Liverpool Collection Point
- Collection is available for eligible orders after confirmation. Please wait for confirmation before travelling.
Order Processing & Tracking
- Orders are processed Monday to Friday, 9 AM – 5 PM (excluding bank holidays)
- Orders placed after 2 PM or on weekends will be processed on the next working day
- Once your order has been dispatched, you will receive an email confirmation with tracking details where available
Delivery Issues & Support
- We aim to deliver all orders on time and in perfect condition
- If you experience any delays, damages, or issues, please contact us at 03330 912 056 or sales@buyinsulation.co.uk, and we will assist you
Description
Description
K-FLEX ST Plus pipe insulation is flexible closed-cell elastomeric insulation for controlling condensation and reducing heat loss on refrigeration, air-conditioning, heating and plumbing pipework.
Choose the correct size
Select the pipe outside diameter and insulation wall thickness you need from the options above. Available combinations range from 15mm to 89mm pipe diameter, with 9mm, 13mm, 19mm and 25mm wall thicknesses depending on diameter.
Key benefits
- Closed-cell elastomeric construction helps resist moisture ingress and condensation.
- Flexible tube format is easy to fit around compatible pipework and fittings.
- Suitable for refrigeration, air-conditioning, heating and plumbing services.
- Useful across commercial, industrial and domestic mechanical services installations.
Verified technical information
| Product format | K-FLEX ST tube |
|---|---|
| Operating temperature | -165°C to +110°C |
| Thermal conductivity (wall thickness up to 25mm) | 0.033 W/(m·K) at 0°C; 0.037 W/(m·K) at +40°C |
| Water vapour permeability factor μ | ≥10,000 for wall thickness up to 25mm |
| Reaction to fire — tube | Euroclass BL-s2,d0 |
| Corrosion prevention | pH neutral (7) |
Performance data above is for K-FLEX ST tube and should be checked against the manufacturer’s technical documentation for the exact installation conditions.
Delivery and technical help
UK delivery is calculated at checkout. Eligible orders over £250 qualify for free delivery. Liverpool collection is available for eligible confirmed orders; please wait for confirmation before travelling.
Need help choosing a diameter or wall thickness? Call 0151 317 2007 or email sales@buyinsulation.co.uk.
Payment & Security
Payment methods
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