| Date of independent inspection |
October 2007 |
| Use of building |
Offices |
| Date of construction |
1998 |
| Environment |
High traffic density - centre of London |
| Evidence of regular cleaning or maintenance |
No |
| External parts of building which were anodised |
Window frames |
| Description of anodic colour and treatment |
Anolok™II Dark blue-grey B717 |
| Type of anodising |
Batch |
| Anodiser |
United Anodisers, Uxbridge |
| Original anodic film layer on anodised parts (microns) |
Class 25 μm (AASC specifications) |
| Anodic film layer on date of independent inspection (microns) |
26.4 μm |
| Visible signs of corrosion or surface degradation |
None |
| Conclusion |
No deterioration in anodic film protection after 9 years service life. No visible evidence of corrosion notwithstanding high density polluted urban environment. No discernable colour change. |
