Foil-Faced Mineral Wool Pipe Lagging
Rockwool Foil Faced Pipe Insulation / Pipe Lagging
Rockwool Foil Faced Pipe Insulation is a pre-formed stone wool pipe section designed for thermal and acoustic insulation of heating, ventilation and air-conditioning pipework.
Each 1m section is pre-slit and supplied with a factory-applied reinforced foil facing and integral self-adhesive lap, helping contractors fit pipe insulation quickly and seal the longitudinal joint neatly on site.
Need Help Choosing the Correct Bore Size or Wall Thickness?
Select the pipe outside diameter and nominal wall thickness from the product options. If you are working from a drawing, schedule or pipework list, send it to our team and we can help check the right route before you order.
What is Rockwool Foil Faced Pipe Insulation?
It is a pre-formed stone wool pipe insulation section with a reinforced foil facing and self-adhesive closure lap.This product is used to insulate pipework on heating, ventilation and air-conditioning systems. The mineral wool core helps reduce heat loss, support acoustic performance and provide fire-resistance benefits, while the foil facing helps create a neat finish and supports vapour-control detailing when joints are correctly sealed.
The pre-slit section is designed to open around the pipe, close around the outside diameter and seal along the foil lap without needing to cut pipe insulation from flat sheet material.
Main Benefits
Fast to Fit
Pre-slit pipe sections open around the pipe and close using the factory-applied self-adhesive foil lap.
Stone Wool Core
Pre-formed mineral wool insulation designed for HVAC, heating and commercial mechanical pipework.
Foil Faced Finish
Reinforced foil facing helps create a clean finish and supports vapour-control detailing when correctly sealed.
Thermal Performance
Designed to reduce heat loss and help maintain stable pipework temperatures across building services.
Acoustic Support
Stone wool pipe sections can help reduce noise from pipework and mechanical services.
Fire Performance
RockLap H&V Pipe Sections are Euroclass A2L-s1,d0 and have fire-resistance testing for penetration seal applications.
How to Apply Rockwool Foil Faced Pipe Insulation
Check the pipe size, fit the pre-slit section around the pipe, peel the foil lap and press the seal down firmly.Rockwool foil faced pipe insulation is designed to be quick and practical to fit on straight pipe runs. The pre-formed section opens around the pipe, while the self-adhesive foil lap helps close the insulation neatly along the length of the section.
This is a basic installation guide only. Always follow the project specification, manufacturer guidance and competent installer practice.
Check Pipe OD and Wall Thickness
Confirm the pipe outside diameter and choose the correct insulation wall thickness before ordering or fitting.
Fit Around the Pipe
Open the pre-slit Rockwool section and position it around the pipe without leaving gaps or compressing the insulation.
For external or exposed installations, this product should be protected with a suitable waterproof covering or cladding system. For weatherproof pipework routes, consider Rockwool Pipe Insulation in PIB Cladding, PIB Cladding, Aluminium Cladding or Aluzinc Cladding.
Technical Specification
The table below summarises the main technical details for the Rockwool foil faced pipe insulation product route.
| Specification | Details |
|---|---|
| Product Type | Pre-formed foil faced stone wool pipe insulation section |
| Length | 1m section |
| Insulation Material | Rockwool / stone wool / mineral wool |
| Facing | Factory-applied reinforced foil facing with integral self-adhesive lap |
| Available Pipe OD Options | 15mm, 22mm, 28mm, 35mm, 42mm, 48mm, 54mm, 60mm, 67mm, 76mm, 89mm, 108mm, 114mm, 140mm, 159mm, 169mm, 219mm and 273mm, subject to selected wall thickness and stock availability |
| Nominal Wall Thickness Options | 20mm, 25mm, 30mm, 40mm and 50mm |
| Service Temperature | 0°C to 250°C |
| Outer Foil Face Limit | 80°C |
| Thermal Conductivity | 0.033 - 0.034 W/mK at lower reference temperatures, depending on pipe section size and thermal curve |
| Density | 120 kg/m³ |
| Reaction to Fire | Euroclass A2L-s1,d0 |
| CE Marking | In accordance with BS EN 14303 |
| Useful Accessories | Aluminium Foil Tape, Ultra-Clad Tape and external cladding where required |
Ordering Note
Select both the pipe outside diameter and nominal wall thickness before adding to basket.
If you are unsure whether your pipe size is shown as bore size, nominal bore or outside diameter, contact us before ordering and we can help check the correct option.
Typical Applications
Rockwool Foil Faced Pipe Insulation is commonly used on building services pipework where thermal insulation, acoustic support and a neat foil finish are required.
- Heating pipework
- Hot water pipework
- HVAC pipework
- Commercial plant rooms
- Industrial buildings and mechanical service areas
- Ventilation and air-conditioning pipework
- Internal pipe runs requiring mineral wool pipe lagging
- Pipework passing through suitable fire-rated constructions, subject to the correct tested system and specification
Mineral Wool vs Other Pipe Insulation Materials
Rockwool, also known as stone wool or mineral wool, is often chosen where fire performance, acoustic support, higher service temperatures and robust thermal insulation are important.Different pipe insulation materials are used for different reasons. Mineral wool pipe insulation is not always the thinnest option, but it is a strong all-round choice for commercial and industrial pipework where thermal performance, non-combustibility, acoustic benefit and service temperature range matter.
Fibreglass pipe insulation is also a mineral wool product, but it is made from glass fibres rather than stone wool. It is commonly used for HVAC and building-services pipework. Rubber pipe insulation is a closed-cell elastomeric material often selected for condensation control on chilled or cold-water services. Phenolic pipe insulation is usually selected where a thinner insulation thickness is required for strong thermal performance.
Mineral Wool / Stone Wool
Best suited where fire performance, acoustic support, higher service temperatures and robust pipe insulation are key priorities.
View Mineral Wool Pipe
Fibreglass Pipe Insulation
Commonly used for HVAC and building-services pipework where a foil-faced glass wool pipe section is required.
View Fibreglass Pipe
Rubber Pipe Insulation
Closed-cell elastomeric insulation often selected for chilled water, cold-water services and condensation-control applications.
View Rubber Pipe
Phenolic Pipe Insulation
Often chosen where strong thermal performance is required in a thinner wall thickness or specification-led pipework system.
View Phenolic Pipe| Material Route | Typical Strength | Best Used For |
|---|---|---|
| Mineral / Stone Wool | Fire performance, acoustic support, higher temperature resistance and robust thermal insulation. | Heating, HVAC, plant rooms, industrial services and projects where non-combustible insulation is important. |
| Fibreglass | Lightweight foil-faced insulation route for general HVAC and mechanical services. | Commercial pipework, heating services and general building-services insulation. |
| Rubber / Elastomeric | Closed-cell structure and condensation-control performance when correctly sealed. | Chilled water, cold-water pipework, refrigeration and HVAC condensation-control applications. |
| Phenolic Foam | High thermal performance where thinner insulation thickness may be required. | Specification-led pipework, space-restricted areas and projects requiring low thermal conductivity. |
The right pipe insulation material depends on the service temperature, pipe size, location, condensation risk, fire requirements, available space and whether the pipework is internal or exposed. If you are unsure, send us the pipework schedule and we can help identify the most suitable product route.
Recommended Products and Accessories
Use these related products to help complete the installation, seal joints or choose a weatherproof option where pipework is exposed.
Rockwool Foil Faced Pipe Insulation
Pre-formed stone wool pipe insulation with foil facing and self-adhesive lap.
View Product
Aluminium Foil Tape
Useful for sealing foil faced insulation joints, seams and finishing details.
View Product
Rockwool Pipe Insulation in PIB Cladding
Pre-clad mineral wool pipe insulation for external and weather-exposed pipework.
View Product
Ultra-Clad Tape
Multi-layered tape option for sealing, finishing and external insulation covering details.
View ProductIs This Product Right for Your Project?
This product is a strong option for internal HVAC, heating and mechanical pipework where a pre-formed stone wool pipe section and foil faced finish are required.
For external or exposed pipework, the foil faced pipe section should be protected with a suitable weatherproof covering. For that type of application, view Rockwool Pipe Insulation in PIB Cladding, PIB Cladding, Aluminium Cladding or Insulation Cladding.
Related Pipe Insulation and Cladding Ranges
Mineral Wool PipeRockwool and stone wool pipe insulation options.
Pipe InsulationBrowse all pipe lagging and pipe insulation routes.
RockwoolView Rockwool pipe, duct and slab products.
HVACInsulation products for heating, ventilation and air-conditioning.
Frost ProtectionInsulation and trace heating for exposed services.
CladdingProtective finishes for pipe and duct insulation.
Frequently Asked Questions
Is this pipe insulation supplied in 1m lengths?
Yes. This Rockwool foil faced pipe insulation is supplied as a 1m pre-formed pipe section.
How do I choose the correct size?
Select the pipe outside diameter and the required nominal wall thickness. If you are unsure whether your measurement is pipe bore or outside diameter, contact us before ordering.
Can this be used outside?
The pipe insulation must be protected with a waterproof covering when used or stored in the open. For external pipework, consider PIB-clad Rockwool pipe insulation or a separate cladding system.
Do I need foil tape?
The product includes a self-adhesive foil lap along the length of the section. Suitable foil tape should still be used to seal joints, ends and installation details where required.
Send Us Your Pipework Requirement
If you are working from a drawing, pipework schedule or site measurement, send us the pipe outside diameter, service type, required wall thickness, location and quantity.
Our team can help check whether Rockwool foil faced pipe insulation, PIB-clad pipe insulation, phenolic pipe insulation, rubber pipe insulation or another pipe lagging route is best suited to your project.
Product guidance for contractors, facilities teams and repeat buyers.
Mineral wool, fibreglass, rubber, phenolic and specialist pipe insulation routes.
Foil tape, cladding, coverings, trace heating and installation accessories.
Phone: 01792 209987
Email: info@insulation-more.co.uk
Contact Page: https://insulation-more.co.uk/pages/contact
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