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Old 11-06-2012, 05:56 PM   #16
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removing thick enamel from outdoor decorative wrought iron


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I will read up on the advantages of soda blasting.

What I often find to be the case is that my purchasing equipment and doing the work myself is no more expensive than hiring someone to do it, and often significantly less expensive, despite the equipment purchases. I started out several years ago with a hammer and some screwdrivers and now I have many good tools, all purchased to renovate a bathroom, and the DIY cost of the project was only 60% of having a pro do it-- if we don't assign a dollar value to my time and labor, of course. It took me 50 times longer than a pro would have taken because I had to learn everything as I was going along. The internet (helpful folks on forums like this) is my mentor
Nothing wrong with your approach. And you can often turn around and sell well maintained equipment, having used it for as long as needed, for less than it costs to rent it.

I do think it quite possible for diyers to get in way over their heads though. Just be careful in addition to being practical.

And I will always remember I class I touch in etching glass with abrasives. EVENTUALLY I got somewhat good but certainly ate through a fair amount of glass learning. In your case, you are blasting away at structure holding your porch up. You will be surprised how fast the abrasives cut.

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Old 11-06-2012, 05:59 PM   #17
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removing thick enamel from outdoor decorative wrought iron


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Soda blast. Then powder coat
Soda-blast looks like just the thing. Thanks.
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Old 11-06-2012, 06:23 PM   #18
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removing thick enamel from outdoor decorative wrought iron


You are in PA where? We get the boat hull soda blasted to cleab the bottom for repaint barrier coating
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Old 11-06-2012, 06:39 PM   #19
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removing thick enamel from outdoor decorative wrought iron


You express concern about VOCs but, you make no mention of having had the coatings tested for lead content. Assuming you did, I recommend paint removal discs manufactured by 3M. These quickly remove paint whereas wire brushes tend to do more polishing than removing.
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Old 11-07-2012, 06:42 AM   #20
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removing thick enamel from outdoor decorative wrought iron


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You are in PA where? We get the boat hull soda blasted to cleab the bottom for repaint barrier coating
southeast corner, Delaware County.
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Old 11-07-2012, 09:23 AM   #21
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removing thick enamel from outdoor decorative wrought iron


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You express concern about VOCs but, you make no mention of having had the coatings tested for lead content. Assuming you did, I recommend paint removal discs manufactured by 3M. These quickly remove paint whereas wire brushes tend to do more polishing than removing.
I assumed it contained lead and took appropriate steps, though I wasn't as thorough as some sites recommend--merely closing the windows rather than sealing them, for example. When I used the needle scaler, I wetted the wrought iron down first to minimize dust and wore goggles and a respirator and disposable coveralls and spread a drop cloth down to catch the chips and bagged it all up afterwards.

When contemplating the possibility of media-blasting, I planned on having a helper (in suitable protective apparel) mist the wrought iron while I blasted it, and intended to hang disposable tarps to curtain-off the area and contain the debris.
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Old 11-07-2012, 10:20 AM   #22
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removing thick enamel from outdoor decorative wrought iron


Sent PM with some info
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Old 11-12-2012, 08:41 AM   #23
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removing thick enamel from outdoor decorative wrought iron


I did read that soda blasting can result in paint delamination unless all residue of the blasting medium is removed from the surface. The warranties of some paint companies are void if soda blasting was used to prepare the substrate.

Also read that although it is being touted as a "green" solution, soda blasting is on a par with other blasting media in that regard because flow additives in commercial soda media are not as environmentally friendly as the main ingredient. Natrium is pure sodium bicarbonate without the flow additives.

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Last edited by diy888; 11-12-2012 at 08:46 AM.
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