Altnets
    Access Chambers

    Sump Grates

    Drain water, keep debris out.

    Durable sump grates cover chamber sumps to let water drain away while trapping debris — modular for easy integration with existing chamber infrastructure.

    • 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.

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

    01

    Debris retention with free drainage

    02

    Durable, long-life materials

    03

    Modular, scalable sizes

    04

    Retrofits to existing chambers

    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 sump grates earns its keep.

    01

    Trackside drainage chambers

    02

    Inspection chambers

    03

    Sediment collection points

    04

    Highways drainage

    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.