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Re: [TowerTalk] Tower Base In Concrete

To: "Tower and HF antenna construction topics." <>
Subject: Re: [TowerTalk] Tower Base In Concrete
From: "Keith eMail" <>
Reply-to: "Tower and HF antenna construction topics." <>
Date: Sat, 24 Apr 2010 17:12:39 -0400
List-post: <">>
re: tower base in concrete
In my experience you need to coat the galvanized tower with spray automotive 
type under coating, tar, or
something to protect it from the acidic concrete. I have seen several Rohn 
25 towers that rusted
off right at ground level because they weren't protected from direct 
contact. Galvanized tower and
concrete don't really play well together over the long term. I have since 
noticed that commercial grade
galvanized road culverts have a tar like coating for, I suppose, the same 
problem. Just my observation.


Subject: Re: [TowerTalk] Tower Base In Concrete

> Steve:
> First of all why do you want to attach the tower section to
> the rebar. This would serve no useful function unless you are
> trying to hold the section up while you pour the base. Just
> >
> (clip)
> doesn't require a rebar cage as the  buried section of the
> tower functions
> as rebar.
> What tower are you installing? I am in the process of
> installing a Rohn 45
> and Rohn 25 tower.
> 73 Mark N1UK
> ----- Original Message ----- 
> From: "Steve Bagley" <>
> To: <>
> Sent: Friday, 23 April, 2010 3:06 PM
> Subject: [TowerTalk] Tower Base In Concrete
>>I am installing a base of my tower directly into the
> concrete.  If I place
>> a layer of sand or crushed rock at the bottom of the hole
> for drainage,
>> should I place the base directly onto this rock for
> drainage?
>> (clip)>>
>> Steve, N2MAI
>> _______________________________________________
>>> (Clip) 


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