[TowerTalk] Rohn 25 Rusting

[David Gilbert]

I agree.  When I wanted to paint my heavily galvanized AN Wireless tower 
with a dark color for stealth reasons, KK3AN (the owner of the tower 
company) recommended I simply use a good exterior grade latex paint.  I 
also did a lot of web searching on the subject of painting galvanized 
steel and came up with the same recommendation.  Lastly, I had painted 
the galvanized trim on the roof of my previous house in Scottsdale 
(admittedly a dry environment) and it lasted 20 years with no flaking.

73,
Dave   AB7E


Pete Smith wrote:
> I had quite satisfactory results on my used Rohn 25 tower by 
> scraping, painting with galvanized primer and then following with a 
> coat of ordinary latex house paint.  It's been up since 1995 and very 
> little rust showing.
>
> 73, Pete N4ZR
>
> At 01:31 PM 4/23/2009, Bruce Alexander wrote:
>   
>> Bob,
>>
>> Forgot to mention that you must use a primer paint
>> designed to be use over a galvanized surface.
>> The galvanized coating naturally sets up an
>> reaction to most oil based paints called saponification.
>> The primer you choose must be designed to
>> be used over galvanized or your new paint job
>> may peel off in a short period of time.
>>
>> Bruce W3ALX
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