Shop underground inspection chambers at Rose Building Supplies. Whether you’re working on a domestic drainage installation, repair job or groundwork project, our inspection chamber products are practical options for building, landscaping and drainage work. Inspection Chambers are available for delivery or can be collected in store in our Peterborough& Huntingdonbranches. Corby AreaDelivery option is available. If you still need assistance, please visit or call your nearest branch for advice.
Our range includes 320mm and 450mm inspection chamber bases, manhole covers and frames, chamber risers, raising pieces and sealing rings. These products are used to provide access points within underground drainage systems, making it easier to inspect, maintain and clear drainage pipework when needed.
🟠 320mm and 450mm inspection chamber options 🟠 Covers, risers and sealing rings available 🟠 Collection from Peterborough and Huntingdon 🟠 Local delivery available across selected areas
Need help choosing the right inspection chamber base, riser or cover? Visit or contact your nearest Rose Building Supplies branch for friendly advice.
100mm Underground 450mm. Inspection Chamber Base provides a strong and dependable foundation for underground drainage inspection chambers in 110mm pipe systems. Designed to accommodate multiple inlet connections, it ensures easy access for inspection, cleaning, and long-term maintenance of foul and surface water drainage.
Underground 320mm Dia. Inspection Manhole Chamber Base 110mm Inlet - Manufactured from durable uPVC, this chamber base is designed to provide easy access for inspection, maintenance, and cleaning of foul or surface water drainage systems.
Underground 320mm Manhole Cover & Frame Round - Perfect fit with our 320mm Base and Risers. Is a durable and practical access cover designed for use with underground drainage inspection chambers. With a 15kN load rating, it is suitable for light-duty domestic and pe
Underground 320mm Manhole Cover & Frame Square - A heavy‑duty square manhole cover and frame set,engineered for robust performance in a range of surface water and underground drainage applications. Designed around a 320 mm clear opening, this unit provides secure access to chamber, pipework and inspection points while delivering long‑lasting durability in trafficked and non‑trafficked areas alike.
Underground 320mm Manhole Riser Sealing Ring pk10 designed for use with the 320 base, providing a secure, watertight connection between the riser and base unit. Manufactured for durability and reliability, this seal helps prevent leaks and ensures correct alignment during installation.
Underground 320x130mm Inspection Chamber Raising Piece is designed to provide a simple and reliable method of increasing the height of drainage access points, such as inspection chambers, gullies, or manholes. It allows for easy alignment with finished ground levels, ensuring compliance with site requirements and improving accessibility for maintenance.
Underground 450mm Chamber Riser Sealing Ring ( Pack of 10) is specifically designed to ensure a secure and tight seal when connecting a chamber to a riser or riser to riser. This sealing ring plays a crucial role in maintaining an airtight and watertight connection, preventing any leakage or seepage.
Underground 450mm B5397 Dia. Chamber Riser (315mm Invert) is designed to provide a simple and reliable method of increasing the height of drainage access points, such as inspection chambers, gullies, or manholes. It allows for easy alignment with finished ground levels, ensuring compliance with site requirements and improving accessibility for maintenance.
