ArmaFlex 3/4 inch pipe lagging is flexible foam insulation sized for 19.05 mm outside diameter pipe.
Use it on suction lines, chilled water and cold water pipes to stop dripping. See the main Armaflex tube 3/4 inch page for the full size range.
What is an armaflex 3/4 inch pipe lagging?
Armaflex tubes are flexible, closed-cell elastomeric foam insulation made to slide over pipes. The closed cells resist water vapour, so the insulation stops condensation forming on cold pipes as well as cutting heat gain.
Tubes are named by the outside diameter of the pipe they fit. Therefore, a 1/2 inch tube fits 1/2 inch copper pipe. Wall thickness is chosen by how cold the pipe runs and how humid the space is.
Further reading
- Pipe insulation (Wikipedia)
- Thermal insulation (Wikipedia)
- Condensation (Wikipedia)
Key terms explained
- Closed-cell foam
- Foam whose cells are sealed, so water vapour cannot pass easily.
- Condensation
- Water forming on a pipe colder than the air dew point.
- Wall thickness
- The thickness of insulation around the pipe.
- Vapour barrier
- A layer that stops moisture reaching a cold surface.
Features and benefits
- Closed-cell structure resists moisture.
- Flexible, follows bends.
- Sized to copper and steel pipe OD.
- Cuts condensation and energy loss.
- Easy to cut and seal on site.
Technical specifications
| Product | Elastomeric foam pipe insulation |
|---|---|
| Fits pipe OD | 3/4 inch (19.05 mm) |
| Material | Closed-cell elastomeric (nitrile rubber) foam |
| Wall thickness | Confirm with quote |
| Length | Confirm with quote |
| Supplier | Sparks Plumbing Experts Ltd, Nairobi |
| Supplier | Sparks Plumbing Experts Ltd, Nairobi |
Sizes, grades and ratings depend on stock and model. Tell us what you need, and we will confirm before you order.
Applications of an armaflex 3/4 inch pipe lagging
- Split AC line sets. Suction and liquid lines.
- Cold rooms. Refrigerant lines.
- Chilled water pipes. HVAC distribution.
- Fan coil units. Condensate and chilled water.
- Cold water pipes. Stopping drips in ceilings.
- Hot water pipes. Reducing heat loss within the rated temperature.
- Display chillers. Small copper lines.
- VRF systems. Refrigerant branch lines.
- Plant rooms. Pipework near equipment.
- Hospitals and hotels. Concealed services.
How to choose and install
- Match the tube to the pipe outside diameter.
- Choose thicker walls for colder pipes and humid spaces.
- Seal all joints and slits so no air gets in.
- Protect outdoor runs from sunlight with cladding or paint made for elastomeric foam.
Why choose Sparks Plumbing Experts
- Tubes and sheets in many sizesPipe insulation tubes and sheets cover common copper and steel pipe sizes.
- Tapes and finishing materialsInsulation tapes and related materials help you seal joints properly.
- Condensation adviceWe help you choose a wall thickness that keeps cold pipes dry in your conditions.
- Matched to your pipeworkOrder insulation together with the copper pipe it covers.
- Visit or collect in NairobiOur store is at KCB Building, Enterprise Road, in the Industrial Area, so you can see parts before you buy or collect your order.
- Quotes your wayAsk for prices by phone, WhatsApp, email or the online quote form, whichever suits you on site.
- Over 1,600 products in one placeOur catalogue covers 55 categories, so one supplier can handle most of your parts list.
- Help choosing the right partSend a nameplate photo, a drawing or the old part, and we help you match size and specification.
- Single items or project quantitiesWe price a single replacement part just as readily as a full site order.
- Supply across East AfricaWe serve customers across Kenya, and we also supply buyers in Uganda and Tanzania.
Related products and accessories
Browse more: Insulation · Copper Pipes · AC and Refrigeration Tools · Tapes.
Ordering from Sparks Plumbing Experts
We supply customers across Kenya, and we also serve buyers in Uganda and Tanzania. You can collect from our store at KCB Building, Enterprise Road, Nairobi, or ask us about delivery to your site. Send your quantities and specifications, and we will reply with prices and availability.
Request a Quote WhatsApp 0726 086 895
Frequently asked questions
Which pipe does Armaflex 3/4 inch fit?
Pipe with an outside diameter of 3/4 inch, about 19.05 mm, such as 3/4 inch copper tube.
What details do you need to quote Armaflex tubes?
Tell us the pipe size, wall thickness and number of lengths. A photo of the old part, a nameplate or a drawing also helps. Then call or WhatsApp 0726 086 895, or use the quote form on this page.
Do you deliver Armaflex tubes outside Nairobi?
Yes. We supply customers across Kenya, and we also serve buyers in Uganda and Tanzania. Delivery or courier arrangements are agreed when you confirm the order.
How much does a Armaflex tube cost in Kenya?
The price depends on the item, size or model and the quantity. Therefore, send your list with a quote request and we will reply with current figures.
Do AC liquid lines need insulation?
Insulate both lines on most split systems, as the installer manual specifies.
Can Armaflex be used outdoors?
Yes, with UV protection such as cladding or a suitable coating.
How do I seal Armaflex joints?
With Armaflex contact adhesive or insulation tape on clean, dry surfaces.
Is Armaflex fire rated?
Fire performance depends on the product grade. Ask us for the data sheet.
What wall thickness should I use?
Thicker walls for colder pipes and humid areas. Tell us the duty and we will advise.
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Thickness depends on line temperature and room humidity.
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Glue the joints with contact adhesive or use self-adhesive tape.
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Protect it from UV with suitable cladding or coating.
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Elastomeric foam is more flexible and resists moisture better in cold service.
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Prices change with size, model and quantity. Request a quote from Sparks Plumbing Experts for current figures.
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