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homestead - [Homestead] tvo post Aug '99- Re: Painting second hand galvanised iron

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  • From: Rob <becida AT comcast.net>
  • To: homestead AT lists.ibiblio.org
  • Subject: [Homestead] tvo post Aug '99- Re: Painting second hand galvanised iron
  • Date: Sat, 13 Aug 2005 07:10:05 -0700

>Date: Wed, 18 Aug 1999 23:04:58 -0400
>Reply-To: homestead AT listserv.oit.unc.edu
>Sender: owner-homestead AT listserv.oit.unc.edu
>From: tvoivozhd <tvoivozd AT roanoke.infi.net>
>To: homestead AT listserv.oit.unc.edu
>Subject: Re: Painting second hand galvanised iron
>References: <000401bee9ae$2e698080$0100000a@rbbsucks> <000801bee9d3$76fcc1c0$89af24cb@pc>
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>
>Ian Lock wrote:
>
>> I'm getting close to finishing putting up the corrugated iron wall coverings
>> on my shed complex. Other outbuildings on our place are similarly covered
>> with corrugated iron, & have been painted in the dim & distant past. It
>> appears that this has been an effective means of prolonging the life of the
>> iron. ( I think that the existing buildings have been up for 40+ years). So
>> I'm thinking that I should do the same on my new shed. The iron that I've
>> put up is second hand, but in good condition (ie. rust/corrosion free), &
>> I'm hoping that I can use my compressor/spray gun for the job. Can anyone
>> advise me as to what sort of preparation I should do, other than simply
>> cleaning any dirt etc off the iron first. I'm hoping that I might be able to
>> get paint that doesn't require undercoating etc. Is this realistic, or do I
>> have to go through the laborious process of having to "acid etch" the iron
>> first, followed by undercoat, followed by top coat. Final appearance is much
>> less important than durability.
>> regards
>> Ian
>> (from the Strzlecki Ranges, Australia).
>
>>>>tvoivozhd>>>the most common and cost-effective paint for sheetmetal roof and
>siding panels, is one containing a lot of aluminum powder. You don't have to
>etch the metal, if there is grease or oil on it, use a degreaser. I must have
>twelve gallons of the stuff sitting in a shipboard freight container I use as a
>toolshed.
>It doesn't go through a spraygun well though---the aluminum flakes constantly
>clog the nozzle. Roll it on with a big, wide paint-roller. This stuff is
>great. It covers nailholes, bridges cracks and the aluminum reflects a lot of
>heat. Reapply every five or six years.
>
>




  • [Homestead] tvo post Aug '99- Re: Painting second hand galvanised iron, Rob, 08/13/2005

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