Ultra Light Weight
Light enough for the longest blows.
Ultra light weight cable minimises mass and friction for the longest possible single blowing distances in microduct — fewer chambers and fewer joints per route.

At a glance
| Specification | Value |
|---|---|
| Format | Loose tube, ultra light |
| Fibre count | 12 – 144 F |
| Outer diameter | 5.0 – 9.5mm |
| Sheath | LSZH, UV stable |
- UK WarehousedSame-week dispatch
- In-house engineersTechnical specs & support
- End-to-end BOM fulfilmentKitted, staged, delivered
- 120+ network buildersTrust Altnets to deliver
Key features
Built for how it gets installed.
Ultra Light Weight is one of the 12 cable types we carry across our Fibre Cable range — chosen for the way you actually deploy.
Lowest mass per metre
Low-friction sheath
Longest single blow distances
Blown microduct installation
Why Altnets
The clever choice for network builders.
Deep UK stock
300,000+ sqft of warehousing and 4,000+ pallet positions — same-week dispatch on most line items.
Engineers, not order-takers
In-house technical team to validate specs, propose alternatives and de-risk your build before it ships.
BOM, kitted & staged
Multi-vendor consolidation, phased deliveries and project staging built into every order.
UK & worldwide reach
Air, sea and road freight with full export documentation and flexible incoterms for global rollouts.
Applications
Where ultra light weight earns its keep.
Long rural duct routes
FTTx backhaul
PIA overbuild
Metro networks
Have a question?
Let's get your network moving.
Tell us what you're building. We'll come back with a quote, lead times, and a plan.
- [email protected]
- +44 (0) 20 3997 8994
- Brighton · United Kingdom
More Fibre Cable
Other cable types

Blown Micro Cable
Small, light, blows a long way.

MDU Cable
Riser fibre for apartment blocks.

Armoured Cable
Rodent, crush and trackside resilient.

Air Blown Fibre
Fibre blown in, when you need it.

Unterminated Drop Cable
Drop cable, terminate on site.

Tight Buffered Cable
Robust internal fibre cable.

Universal Loose Tube
The all-round loose tube build.

Duct Grade
Built for pulling into duct.

Armoured SWA
Heavy-duty steel wire armour.

Armoured CST
Corrugated steel armour protection.

Cable, MPO Systems, Connectivity, SFPs
End-to-end data centre fibre.