[Bell Historians] Canon removal and faculties
richard at ...
Thu Nov 3 12:53:03 GMT 2005
> Unfortunately this is factually incorrect.
> Hot dip galvanising is a Sacrificial coating and has limited life.
> 70 years would be a reasonable expectation.
> A bit short, considering the number of reasonably sound timber
> have survived 300+ years.
> I have found a life chart at:
> or http://www.metalplate.com/galvanizing/TIS5.HTM
> Life may be better than the chart because it is subject to
> spray but not direct weathering.
> The performance of Galvanised beam ends buried in tower walls can
> reduced depending on how damp and chemically active the wall
> There is a lesson from the building industry regarding galvanised
> wall ties which have in some cases failed completely in less than
> Great care must be taken if differing materials, which will be
> from Zink on the electrochemical table are in contact with the Zink
Rick suggests that what's on the web site is fine. "However, it's a
general statement and wall tie corrosion is nothing like a bell
frame." there speaks the voice of great experience!
Anyone wanting more detailed information on this subject is very
welcome to contact Rick direct (e-mail address available from me off
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