Units 3-5 Britannia Trade Park, Ryehill Close, Lodge Farm Industrial Estate, Northampton, NN5 7UA We provide high quality products from leading UK and European manufacturers. Another issue with traditional manufacture materials can be the risk of electrocution, especially as this can conduct electricity during stormy weathers.

The reason that inspection chamber cover sizes are such an important part of underground drainage is their use as an entrance and exit when needed.Unlike some cast iron or galvanised steel manhole covers, these manhole covers are made of super-strong and durable plastic material so they do not suffer from the problems traditional cast iron manufactured products do, for example, rusting around the frame. Please note that you are responsible for determining whether the alternative product is suitable for the purpose for which you intend to use them. The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products. In some cases, it may be possible to build an extension over an inspection chamber with certain conditions and precautions in place. Whenever you’re replacing a lid though, you must ensure that the load rating is correct for its location or application.

The Polypipe Underground Drainage 320mm Dia Round Cover and Frame suits all residential and architecture styles perfectly. A square cover can fall through the clear opening in the frame if positioned diagonally, which increases the risk of accident and damage, especially during installation or removal. There is a slight misalignment of the holes, maybe 1mm, but as the original screws were in a state and the new supplied screws are self tappers they can be made to fit by careful angling of the installation.We offer a high-quality cover and frame that not only enhances the security of your inspection chamber but also adds aesthetic appeal. All our products are manufactured to the highest standards and comply with all current UK and European standards.