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[TowerTalk] Rust Inhibiting Paint for Steel Towers - Suggestions Needed

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Subject: [TowerTalk] Rust Inhibiting Paint for Steel Towers - Suggestions Needed
From: (John Crovelli)
Date: Wed, 10 Mar 1999 08:17:59 PST
I hope someone on this reflector will be able to help me.

Problem:  How to inhibit corrosion of Rohn 25G steel tower in salt water 

Problem Detail:  My Rohn 25G tower at P40W has rusted to the point that 
it must be replaced for safety reasons.  The location, in the middle of 
the island, is subject to substancial exposure to airborne salt vapor.  
During certain times of year, the buildup of salt residue is very 
substancial, especially when there is no rain to wash it away for weeks 
or months at a time. It is not uncommmon at sunset to actually feel the 
salt brine on tower surfaces.

Also of some concern is the effects inposed by constant 20 mph trade 
winds, which over time, seem to act as a sand blaster, causing 
accellerated deterioration of surfaces on the east side of the tower.

Proposed Solution:  Find a paint product that can be applied (by brush) 
to my used but rust free Rohn 25G sections that has a high adherence 
characteristic, provides significant resistence to abrasion from wind 
driven sand, and protects the steel tower from corrosion caused by salt 
residue buildup.  

I hope someone has a "silver bullet" solution, a suggested paint product 
will meet or exceed my needs, and can tell me where it can be purchased 
in the USA.

Looking forward to a discussion of this topic.  BTW, the current tower 
survived about 5 years after being painted prior to erection. 
Unfortunately the paint product used, supposedly a battle ship paint, 
was ineffective.


John  W2GD/P40W
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