
450 Inspection Chambers
Kayflow bases, risers, lids and frames are manufactured from 100% polypropylene. All installations should conform to building practices as laid down by the relevant local authority.
450 Inspection Chambers can be installed to a maximum depth of 1200mm, all outlets are 110mm, except UG1014 where the main run and 90 degree inlets are 160mm.
Ensure silicone sealant is used to fit the first riser to manhole base and in subsequent riser-to-riser jointing.
Download the Kayflow Product Guide to view our full range. Need a Stockist? Call us on 01827 317269

Complete System
1 x Main Entry
2 x 90º Entries
2 x 45º Entries
4 x Blanking Plugs
Max. Depth 1200mm
All Sockets 110mm
The image shows the full Inspection Chamber; elements of this system need to be ordered separately and are listed below with the relevant codes.
450 Manhole Cover & Frame (round)
| Code | Colour Options | Size | Pack Qty | |
|---|---|---|---|---|
| 1.5tonne/15kN loading | UG1001 | |
- | 1 |
| 1.5tonne/15kN loading | BUG1001 | |
- | 52 |
450 manhole cover and frame (square)
| Code | Colour Options | Size | Pack Qty | |
|---|---|---|---|---|
| 1.5tonne/15kN loading | UG2001 | |
1 | |
| 1.5tonne/15kN loading | BUG2001 | |
52 |
450 Riser
| Code | Colour Options | Size | Pack Qty | |
|---|---|---|---|---|
| UG1003 | |
- | 1 | |
| BUG1003 | |
- | 36 |
Riser Seals for 450 Base
| Code | Colour Options | Size | Pack Qty | |
|---|---|---|---|---|
| UG1007 | |
- | 10 | |
| BUG1007 | |
- | 150 |
450 Manhole Base
| Code | Colour Options | Size | Pack Qty | |
|---|---|---|---|---|
| UG1005 | |
- | 1 | |
| BUG1005 | |
- | 32 |
450 Manhole Base (160mm main run and side inlets)
| Code | Colour Options | Size | Pack Qty | |
|---|---|---|---|---|
| UG1014 | |
- | 1 | |
| BUG1014 | |
- | 24 |
Technical Information & Support
We provide a range of useful technical information to support you with your construction projects, in addition to the Kayflow Product Guide. If you are looking for support of any kind, please head over to our technical section or for further advice and more practical assistance, contact [email protected] or call 01827 317 200 to speak to a member of our specification team.
