FW4 915x445 Access Chamber – CUBIS (with 4 Rings, 1 Furniture Kit, PIA Approved)
The FW4 915x445 CUBIS Access Chamber is a robust, modular underground chamber system designed for efficient cable management and access in telecom and fiber networks. PIA (Physical Infrastructure Access) approved, this chamber is fully compliant with Openreach and UK infrastructure deployment standards, making it ideal for FTTx, FTTP, and broadband rollout projects.
Constructed from lightweight, high-strength polymer concrete or composite material, the FW4 chamber includes 4 stacking rings and 1 internal furniture kit to support cable storage, duct entries, and jointing operations—all while ensuring easy installation and long-term durability in harsh environments.
✅ Key Features
- ✅ 915mm x 445mm clear opening – standard FW4 footprint
- ✅ Includes 4 modular rings – stackable for depth flexibility
- ✅ Supplied with 1 internal furniture kit for duct and cable management
- ✅ PIA Approved – compliant with Openreach requirements
- ✅ Made from lightweight, durable, and chemically resistant materials
- ✅ Fast and easy to install – no heavy lifting equipment required
- ✅ Load-rated for footway and light vehicular applications (typically B125 or higher)
- ✅ Compatible with standard duct entries, frames, and covers
📦 Specifications
- Chamber Dimensions: 915mm (L) x 445mm (W)
- Chamber Type: FW4 (modular, stackable)
- Rings Included: 4
- Furniture Kit: 1 (includes cable brackets and fixings)
- Approval: Openreach PIA Approved
- Load Rating: B125 (12.5 Tonne), suitable for footways
- Material: High-strength composite or polymer concrete (varies by model)
- Installation Environment: Underground telecom access, footpaths, MDU sites
The FW4 915x445 CUBIS Access Chamber delivers a cost-effective, scalable, and regulatory-compliant solution for modern FTTx infrastructure—ensuring safe, structured access to underground fiber assets.