Brett Martin B5397 450mm Inspection Chamber Riser (315mm High)
- Brett Martin B5397 inspection chamber riser with 450mm (17.7in) diameter and 315mm (12.4in) height
- Robust ribbed design featuring connecting lugs for secure on-site assembly
- Fits universally on 450mm inspection chamber bases with rubber seals to prevent leaks
- Can be trimmed on site to achieve precise chamber height adjustments
- Complies with Building Regulations Part H1 when installed with the correct chamber components
The Brett Martin B5397 450mm Inspection Chamber Riser is designed specifically for plumbers, civil engineers, and maintenance teams requiring dependable access points to underground drainage systems. Its durable polymer construction and smart design ensure a leak-resistant, secure fit that withstands the demands of drainage maintenance and inspection.
Application
This riser forms the middle section of a universal 450mm inspection chamber, sitting securely on the chamber base with rubber seals to maintain watertight integrity. It allows for precise height adjustment by cutting to size on site, ensuring the chamber cover and frame sit flush with the ground surface. Ideal for drainage runs where regular access is needed, it supports compliance with Building Regulations Part H1 when used alongside appropriate chamber covers, frames, sealing rings, and reducers.
Dimension
- Diameter: 450mm (17.7in)
- Height: 315mm (12.4in)
Material
- Durable polymer engineered for underground drainage applications
Type
- Drainage inspection chamber riser
Note: This product is designed to fit universally on 450mm inspection chamber bases. Images are for illustration purposes only.
Delivery
Important: The following delivery information applies only to orders placed online.
Delivery Times
When placing your order, you will be able to view available delivery times at the checkout.
Please note: while we aim to deliver within 2–3 business days, this is subject to stock availability. A member of our team will be in touch after you place your order to confirm your delivery date.
Click & Collect is also available from selected branches. However, please be aware that stock levels can fluctuate, so we’ll confirm product availability and collection timing once your order is placed.
Delivery Charges
Orders over £150 ex VAT within our local delivery area qualify for free delivery. This excludes palletised or specialist products.
For orders under £150 ex VAT, standard delivery is £7.50 plus VAT. Certain products have specific delivery costs:
- Civil Engineering products: £20 + VAT.
- Roofing Tiles under £249.99 ex VAT: £60 + VAT.
Delivery charges and policies may vary at the discretion of our branches, and we reserve the right to amend them as required.
We offer a variety of delivery options to meet your needs nationwide, including pallet shipping (subject to size and weight restrictions), site delivery, and same-day or next-day delivery via TradeKart (available in selected postcodes).
Delivery charges are calculated based on your location, the products ordered, and your selected delivery method. Final costs will be displayed at checkout. If you have specific delivery requirements, please contact your local branch via our Branch Finder.
For any delivery-related enquiries, please email our sales team at websales@lordsbm.co.uk.
