Description The Access Chamber Box – 450mm Easy Liner Flat Packed (4 Panels) is a full-sized modular chamber unit, supplied flat-packed for convenience and ease of installation. Each unit comprises four 450mm x 450mm interlocking side panels that form the main chamber shell once assembled. Constructed from recycled polypropylene, this chamber is designed for secure underground access across a variety of utilities, including telecoms, water, drainage, and electrical ducting. Its lightweight form allows for rapid site handling and reduced labour costs while delivering long-term strength and reliability. Key Features • Flat Packed and Site Ready: Four interlocking panels allow for quick transport and straightforward on-site build • Material: Tough and eco-friendly recycled polypropylene for sustainability and strength • Dimensions: Internal chamber size of 450mm x 450mm; 55mm wall thickness • Load Rating: A15 suitable for pedestrian areas; supports B125 with correct concrete surround • Versatile Build System: It can be combined with appropriate covers and bases for full inspection chamber setups Specifications • Size: 450mm x 450mm internal dimensions • Wall Thickness: 55mm • Material: Recycled polypropylene • Load Rating: A15 standalone / B125 with concrete surround • Supplied As: 4-panel flat-pack chamber box (sides only) • Colour: Black Applications Ideal for: • Underground water or drainage access points • Ducted utility networks and fibre connections • Pedestrian walkways and paved areas • Inspection chambers in modular or civil builds Why Choose Stanley John LTD At Stanley John LTD, we specialise in modular and sustainable infrastructure systems. Based in Newbury, Berkshire, we support clients across Berkshire, Hampshire, Wiltshire, Oxfordshire, Surrey, Greater London and more. Our products are selected for ease of use, proven durability, and regulatory suitability across UK groundworks and civil environments. ➡ View our full range of modular access chamber systems: Stanley John LTD Access Chamber Systems Order Now Order the Access Chamber Box – 450mm Easy Liner Flat Packed (4 Panels) today for a lightweight, fast-to-install underground chamber solution. Buy now from Stanley John LTD.
