%20--%3e%3cdefs%3e%3cstyle%3e%20.st0%20{%20isolation:%20isolate;%20}%20.st1%20{%20fill:%20%23e0fd36;%20fill-rule:%20evenodd;%20}%20%3c/style%3e%3c/defs%3e%3cg%20id='Artboard_1'%20class='st0'%3e%3cg%20id='Altnets_logo_copy'%3e%3cpath%20class='st1'%20d='M603.6,445.35c0,21.03,11.78,30.29,29.87,30.29,6.52,0,14.19-.97,21.86-2.9v-110.46h-51.72v83.08h-.01ZM245.21,293.08l-50.27,125.14h100.12l-49.85-125.14h0ZM1434.08,395.51c-25.03-6.1-37.86-9.67-37.86-20.61,0-10.1,11.99-16.2,29.45-16.2,21.45,0,36.39,10.94,45.22,25.03l34.49-28.39c-14.51-21.87-39.96-42.07-80.98-42.07-43.96,0-78.87,24.4-78.87,62.26,0,41.43,31.13,55.53,75.3,65.41,24.61,5.47,35.33,9.25,35.33,19.98,0,11.36-12.62,17.67-28.81,17.67-20.4,0-41.01-12.2-53.21-31.13l-36.18,29.24c18.3,28.6,50.27,46.9,90.02,46.9,43.12,0,79.71-24.61,79.71-62.68,0-39.96-28.6-54.47-73.61-65.41h0ZM1039.09,313.27c-59.94,0-103.69,43.33-103.9,104.95,0,58.89,41.64,105.58,106.42,105.58,35.55,0,70.88-17.04,89.81-48.59l-38.28-28.6c-13.04,19.14-30.29,28.39-50.27,28.39-25.66,0-49.85-16.62-53.84-40.38h145.97c1.26-7.99,1.89-15.56,1.89-22.93,0-61.2-42.28-98.43-97.8-98.43h0ZM989.87,398.45c2.94-22.93,23.14-39.75,49.85-39.75s44.17,17.25,46.9,39.75h-96.75ZM1277.6,475.64c-18.09,0-29.87-9.25-29.87-30.29v-83.08h59.31v-44.8h-60.57v-64.78h-52.37v64.78h-34.28v44.8h34.07v90.86c0,47.53,29.87,70.46,74.24,70.46,16.41,0,36.39-4,48.8-10.1l-5.05-44.8c-11.36,4.63-24.19,6.94-34.28,6.94h0ZM0,522.62l655.33,257.78v-260.81c-10.1,2.52-21.37,4-31.32,4-44.38,0-74.25-22.93-74.25-70.46v-90.86h-34.07v-44.8h34.28v-64.78h52.37v64.78h52.99V0L0,257.78v264.84ZM424.4,223.25h53.84v296.14h-53.84V223.25ZM212.4,233.76h65.2l115.47,285.62h-60.57l-21.03-55.95h-132.51l-21.24,55.95h-60.57l115.26-285.62h0ZM820.34,313.27c-30.08,0-51.74,13.46-62.26,27.55l-1.05-23.35h-51.32v201.91h53.84v-112.95c0-27.97,21.03-43.12,44.8-43.12s41.85,15.14,41.85,43.12v112.95h53.84v-126.83c0-48.59-33.02-79.29-79.71-79.29h.01Z'/%3e%3c/g%3e%3c/g%3e%3c/svg%3e)
Support Kit 1A
Structural reinforcement for chamber walls.
Support Kit 1A reinforces access chamber walls to prevent deformation under load — corrosion resistant and modular for both new builds and retrofits.
At a glance
| Specification | Value |
|---|---|
| Material | Galvanised steel |
| Type | Chamber wall reinforcement |
| Fixings | Included |
| Use | New build / retrofit |
- 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.
Support Kit 1A is one of the 11 cable types we carry across our Access Chambers range — chosen for the way you actually deploy.
Prevents chamber wall deformation
Corrosion-resistant materials
Suits high-traffic and industrial areas
Modular for new build or retrofit
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 support kit 1a earns its keep.
Telecoms access chambers
Water and utility chambers
High-traffic locations
Retrofit reinforcement
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 Access Chambers
Other cable types
Covers and Frames
Secure chamber access, footway to heavy traffic.
Ring Sections
Stackable rings for variable depth.
Furniture Kits
Cable management, steps and duct entry.
Mobra Arms
Cable support inside the chamber.
D400
D400 covers for trafficked areas.
MOBRAs
Adjustable frames that stabilise the chamber.
Mounting Kit
Fix equipment securely inside the chamber.
Steps
Safe, anti-slip entry into the chamber.
Sump Grates
Drain water, keep debris out.
Toby Boxes (Plastic)
Compact housings for underground assets.