End Caps
Seal duct ends until needed.
Endstop caps seal unused and open microducts against dust, moisture and debris, maintaining airflow and protecting the installation between build phases.

At a glance
| Specification | Value |
|---|---|
| Type | Push-fit / screw-on |
| Seal | Watertight |
| Sizes | All standard duct |
| Removable | Yes |
- 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.
End Caps is one of the 16 cable types we carry across our Ducting range — chosen for the way you actually deploy.
Push-fit and screw-on options
Airtight, watertight seal
All standard duct sizes
Removable for future pulls
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 end caps earns its keep.
New build sites
Phased construction
Stub and spare ways
Duct protection in storage
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 Ducting
Other cable types

Microduct
Single-way blown fibre pathway.

Bundled Microduct
Multiple microduct ways in one bundle.

Connectors
Leak-proof joints between microducts.

Reducers
Step cleanly between duct sizes.

Divisible Gas Seals
Gas-tight seal over live cables.

Flexiwrap
Wrap-around protection for tube bundles.

uPVC Duct
Tried and tested carrier duct.

uPVC Bends
Change direction without a joint.

uPVC Coupler
Join two duct lengths.

uPVC Swept Tees
Take a branch off the main route.

uPVC Split Swept Tees
Branch off without breaking the cable.

uPVC Reducer
Step between duct sizes.

uPVC Y Junction
Split the route two ways.
Duct Repair Kit
Repair the duct, keep the cable.
Connector Sleeve
Protect and locate the joint.