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Stripping paint from a cast iron pipe Ben Mills 02-19-2008
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Posted by Ben Mills on February 19, 2008, 10:42 am
Does anyone have any recommendations for stripping paint from a cast
iron pipe?

I have a cast iron pipe that runs through my bathroom. It has a lot
of layers of paint which are cracking up. I've tried to use a
chemical paint stripper (SoyGel) to remove the paint, but it's messy
and really slow going. I'm also a little worried that the paint
stripper is eating into the pipe as it goes black quickly when it
comes into direct contact with the black cast iron pipe. Are there
any other strippers that might be quicker and not react with the
metal?

I'm also considering an infrared heat stripper (the Silent Paint
Remover). This is designed to strip paint from wood by heating it to
500F and breaking the bond between the wood and the paint. I've heard
it might work for metal, but probably not. I'm also worried (I'm a
worrier) that cast iron might crack at that temperature and that is
the last thing I want. Does anyone know if cast iron can handle high
temperatures?

Thanks,
Ben Mills

AppliancePartsPros.com, Inc.
Posted by Oren on February 19, 2008, 1:27 pm
On Tue, 19 Feb 2008 07:42:39 -0800 (PST), Ben Mills

>Does anyone have any recommendations for stripping paint from a cast
>iron pipe?
>
>I have a cast iron pipe that runs through my bathroom. It has a lot
>of layers of paint which are cracking up. I've tried to use a
>chemical paint stripper (SoyGel) to remove the paint, but it's messy
>and really slow going. I'm also a little worried that the paint
>stripper is eating into the pipe as it goes black quickly when it
>comes into direct contact with the black cast iron pipe. Are there
>any other strippers that might be quicker and not react with the
>metal?
>
>I'm also considering an infrared heat stripper (the Silent Paint
>Remover). This is designed to strip paint from wood by heating it to
>500F and breaking the bond between the wood and the paint. I've heard
>it might work for metal, but probably not. I'm also worried (I'm a
>worrier) that cast iron might crack at that temperature and that is
>the last thing I want. Does anyone know if cast iron can handle high
>temperatures?
>
>Thanks,
>Ben Mills

You might try a heat gun (1500W) and scraper to remove the paint.

The Silent Paint Remover you mention cost about $400.00. You can build
yourself one for about $100.00*.

*
http://www.oceanmanorhouse.com/paintremover.html
--
Oren

Posted by Heathcliff on February 19, 2008, 2:42 pm
> Does anyone have any recommendations for stripping paint from a cast
> iron pipe?
>
> I have a cast iron pipe that runs through my bathroom. It has a lot
> of layers of paint which are cracking up. I've tried to use a
> chemical paint stripper (SoyGel) to remove the paint, but it's messy
> and really slow going. I'm also a little worried that the paint
> stripper is eating into the pipe as it goes black quickly when it
> comes into direct contact with the black cast iron pipe. Are there
> any other strippers that might be quicker and not react with the
> metal?
>
> I'm also considering an infrared heat stripper (the Silent Paint
> Remover). This is designed to strip paint from wood by heating it to
> 500F and breaking the bond between the wood and the paint. I've heard
> it might work for metal, but probably not. I'm also worried (I'm a
> worrier) that cast iron might crack at that temperature and that is
> the last thing I want. Does anyone know if cast iron can handle high
> temperatures?
>
> Thanks,
> Ben Mills

Have you tried mechanical means - scraping with a paint-scraper or
putty knife? Wire wheel on electric drill? Another possibility is
the stripper where you put on tape, then rip it off (hopefully along
with the paint). -- H

Posted by Joe on February 19, 2008, 3:08 pm
> Does anyone have any recommendations for stripping paint from a cast
> iron pipe?
>
> I have a cast iron pipe that runs through my bathroom. =A0It has a lot
> of layers of paint which are cracking up. =A0I've tried to use a
> chemical paint stripper (SoyGel) to remove the paint, but it's messy
> and really slow going. =A0I'm also a little worried that the paint
> stripper is eating into the pipe as it goes black quickly when it
> comes into direct contact with the black cast iron pipe. =A0Are there
> any other strippers that might be quicker and not react with the
> metal?
>
> I'm also considering an infrared heat stripper (the Silent Paint
> Remover). =A0This is designed to strip paint from wood by heating it to
> 500F and breaking the bond between the wood and the paint. =A0I've heard
> it might work for metal, but probably not. =A0I'm also worried (I'm a
> worrier) that cast iron might crack at that temperature and that is
> the last thing I want. =A0Does anyone know if cast iron can handle high
> temperatures?
>
> Thanks,
> Ben Mills

You're using the wrong stripper. Head to the paint store, read the
labels and buy the one that says 'methylene chloride' and 'gel'.
Likely will be "stripease or similar. Old cast iron is heavily coated
with asphaltic paint, and if it comes off you haven't hurt anything.
Protect your surroundings with lots of drop cloths, good ventilation,
safety goggles, you know the drill. Good luck.

Joe

Posted by jJim McLaughlin on February 19, 2008, 3:20 pm
Ben Mills wrote:
> Does anyone have any recommendations for stripping paint from a cast
> iron pipe?
>
> I have a cast iron pipe that runs through my bathroom. It has a lot
> of layers of paint which are cracking up. I've tried to use a
> chemical paint stripper (SoyGel) to remove the paint, but it's messy
> and really slow going. I'm also a little worried that the paint
> stripper is eating into the pipe as it goes black quickly when it
> comes into direct contact with the black cast iron pipe. Are there
> any other strippers that might be quicker and not react with the
> metal?
>
> I'm also considering an infrared heat stripper (the Silent Paint
> Remover). This is designed to strip paint from wood by heating it to
> 500F and breaking the bond between the wood and the paint. I've heard
> it might work for metal, but probably not. I'm also worried (I'm a
> worrier) that cast iron might crack at that temperature and that is
> the last thing I want. Does anyone know if cast iron can handle high
> temperatures?
>
> Thanks,
> Ben Mills

While its messy, (but no messier or more toxic than chemical paint
stripper) how
about an compressor powered abrasive bead blaster?

Ground walnut shells are commercially available, as are "glas" breads.
Respirator
(but you need that with the chenical stuff in a confined place like a
bathroom),
eye protection ( again you'd need that anyway both brushing chemical
on and
scraping chemical off), and taping off the door from the inside so dust
dosn't get
out to the rest of the house should work. Shop vac clean up.

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