Altnets
    Access Chambers

    D400

    D400 covers for trafficked areas.

    Heavy-duty ductile iron and reinforced composite access covers rated to D400 load class — built for roads, highways and industrial areas with minimal maintenance.

    • UK Warehoused
      Same-week dispatch
    • In-house engineers
      Technical specs & support
    • End-to-end BOM fulfilment
      Kitted, staged, delivered
    • 120+ network builders
      Trust Altnets to deliver

    Key features

    Built for how it gets installed.

    D400 is one of the 11 cable types we carry across our Access Chambers range — chosen for the way you actually deploy.

    01

    D400 load class rated

    02

    Ductile iron or reinforced composite

    03

    Anti-slip surface and secure locking

    04

    Corrosion resistant and weatherproof

    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 d400 earns its keep.

    01

    Highways and carriageways

    02

    Industrial yards

    03

    Telecoms and utility chambers

    04

    Drainage 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.