[Public-List] Aluminum mast treatment - Tremclad

[Gordon Laco]

Hi John - I'd never suggest 'Brightside'!

Gord ;)


On 30/06/14 8:13 AM, "John Birch" <Sunstone at cogeco.ca> wrote:

> Hi Richard,
> 
> He sanded the mast until all the oxidization was gone, cleaned with TSP,
> used a chemical etching product (don't know which), and then used a Tremclad
> primer followed with 11 aerosol cans of Tremclad semi gloss white.
> 
> I would imagine Rustolium would be a reasonable substitute
> 
> You will on any painted alu get some loss of adhesion over time, but
> touching up with another can of Tremclad brings it all back nicely. His
> total cost at the time was $135 CDN. And Awlgripped mast starts at $700 CDN
> for a fully prepped mast fully stripped. Actual shop done Awlgrip jobs run
> $2-3K.
> 
> Gord suggested rolling and tipping using a linear polymer polyurethane paint
> like Brightside. The problem is, most people are not great roll & tippers,
> and Brightside is a very hard paint to sand down.
> 
> If you do like most sailors up here, you unstep your mast annually, so a
> touch up is no big deal - just don't get the over spray on someone else's
> mast in the yard.
> 
> Other trick is never never never ever wrap your mast in plastic over the
> winter, because, if painted you will get blistering and lots of it. If it is
> an unpainted mast you will degrade it by trapping moisture and galvanic
> action of SS against alu leading to pitting - that's straight from Danny
> Klacko of Klacko Spars. If you are covering it, use canvas or other
> breathable fabric.
> 
> Hope this is a help Richard
> 
> ATB
> 
> John
> 
> 
> 
> ----- Original Message -----
> From: "Richard Mair" <ramair49 at gmail.com>
> To: "Alberg 30 Public List -- open to all" <public-list at lists.alberg30.org>
> Sent: Monday, June 30, 2014 7:55 AM
> Subject: Re: [Public-List] Aluminum mast treatment - Tremclad
> 
> 
>> John.
>> What special preparation was done on the mast. We need to do window frames
>> and the mast and boom at end of season. Never had a lot of luck getting
>> paint to stick to aluminum even with etching spray primer.
>> 
>> Richard
>> On Jun 27, 2014 9:42 AM, "John Birch" <Sunstone at cogeco.ca> wrote:
>> 
>>> A while back at our Club, a well known and respected member who had done
>>> a
>>> number of restorations of boats used aerosol Tremclad Semi Gloss white on
>>> this mast & boom instead of awlgrip. The mast looked great, fast
>>> forwarding
>>> 10 years later, it still looks great, with an occasional spray touchup of
>>> the Tremclad.
>>> 
>>> He used 11 cans at about $12 CDN each for his 40 foot mast - pretty cheap
>>> compared to Awlgriping; and the bonus, easy to touchup scrapes, unlike
>>> awlgrip.
>>> 
>>> Just a thought.
>>> 
>>> JB
>>> 
>>> ----- Original Message ----- From: "Glenn Brooks" <
>>> brooks.glenn at comcast.net>
>>> To: "Alberg 30 Public List -- open to all"
>>> <public-list at lists.alberg30.org
>>>> 
>>> Sent: Friday, June 27, 2014 9:30 AM
>>> Subject: [Public-List] Aluminum mast treatment
>>> 
>>> 
>>>  Not sure my earlier post actually got posted... So will try again.
>>>> 
>>>> Iam curious if there are any new whiz bang aluminum treatment products
>>>> in
>>>> the marketplace?  My mast has long ago lost its anodizing and every few
>>>> years ends of with black streaks.  Also the gooseneck and boom suffer
>>>> pitting and corrosion.  So I would like to treat the exposed aluminum
>>>> with
>>>> something that will protect against this occurring.
>>>> 
>>>> Anybody know of any new space age stuff that will do this?  Iam not
>>>> really interested in painting the mast, and traditional acid washes are
>>>> almost outlawed at my local yards anymore.
>>>> 
>>>> Thanks
>>>> Glenn
>>>> Dolce 318
>>>> 
>>>> 
>>>> Sent from my iPad
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>>> 
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> 
> 
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