Order Helpline 01752 692 221 | Open today 8:00am-5:00pm

Adoptable Inspection Chamber Riser 450mm - 300mm Invert

Product Code:
Est. Delivery: 3-5 Working Days
Shipping costs displayed in basket.
We can let you know when this product is back in stock.

This product is proving to be very popular and has unfortunately sold out.

Enter your email below and we'll notify you as soon as this product is back in stock:

Subject to stock availability, if products on a 24 hours service are ordered alongside products NOT on a 24 hours service, this may delay your whole order.

View Transport Policy

All delivery charges are included in the final shopping basket and are dependent on the products Scottish Highlands & the Islands where additional shipping charges will apply.

Please note that not all products will incur an additional delivery charge to the Scottish Highlands & the Islands – this is based on the costs from the manufacturer, distributor or courier providing shipping on our behalf. If your delivery address is in the Scottish Highlands and Islands, a member of our helpline team will contact you prior to processing your order should an additional delivery charge apply.

While we make every effort to ensure orders are delivered by the date required, we cannot guarantee availability from the manufacturer or the manufacturer's delivery schedules.

Any variation to web delivery date given will be advised to you by email or telephone. If we are unable to make delivery because access is not possible, we reserve the right to make a failed delivery charge.

£28.93 Incl. VAT
Oops! Please select from the options

Product Description

Brett Martin's drainage solutions are designed and developed to achieve compliance with industry regulations and standards. Following the publication of sewers for Adoption 7 (sfA7) outlining revised performance criteria, newly-defined design detailing and installation standards for all adoptable drainage networks – including manholes and inspection chambers. This ensures a full offering of Access and Inspection chambers to satisfy the requirements set out in sewers for Adoption 7 (sfA7) and building regulations. 

Designed and tested to EN 13598-1 and in accordance with SfA7 and Building Regulations Part H1 the Adoptable 450mm Inspection Chamber is suitable for use in 110mm and 160mm adoptable and non-adoptable drainage applications where its superior strength and load bearing capabilities are required.  The distinctive terracotta colour provides easy identification of Adoptable Chambers on site.

Features of the 300mm inspection chamber

  • A heavier duty robust ribbed riser provides superior strength and rigidity.
  • The secure factory fitted contrasting black seal ensures exceptional base to riser and riser to riser sealing.
  • Connecting lugs on the base and riser provide added stability during installation.


Product Documents

Products We Recommend


Questions & Answers

There are currently no questions for this product.

Product Enquiry Form

Adoptable Inspection Chamber Riser 450mm - 300mm Invert

*Required Field

Would you like to empty your basket?

Yes No


It seems you are running an older version of Internet Explorer. Our site does not support these old browsers as they do not house the technology that allows our site to be safe and secure.

If you wish to access our site please either upgrade your browser or download an alternative.