Hi, I've got some horrendous rust stains on flagstones, from old cast iron
pation furniture.

What's the best way of cleaning these? Can it be done? I've tried all
sorts of the usual things and nothing really seems to work ...

Thanks.

Barb

In reply to Barb ) who wrote this in
, I, Marvo, say :

Hi, I've got some horrendous rust stains on flagstones, from old cast
iron pation furniture.

What's the best way of cleaning these? Can it be done? I've tried
all sorts of the usual things and nothing really seems to work ...

Have you tried the trusty Karcher, using the solid (rather than fan) jet, at
very close range? Works for me. Presumably the stains are well into the
flags, but not over a very wide area?

There are other chemical means but they are largely unsafe.

In reply to Uncle Marvo ) who wrote
this in , I, Marvo, say :

In reply to Barb ) who wrote this in
, I, Marvo, say :

Hi, I've got some horrendous rust stains on flagstones, from old cast
iron pation furniture.

What's the best way of cleaning these? Can it be done? I've tried
all sorts of the usual things and nothing really seems to work ...

Have you tried the trusty Karcher, using the solid (rather than fan)
jet, at very close range? Works for me. Presumably the stains are
well into the flags, but not over a very wide area?

There are other chemical means but they are largely unsafe.

PS if you leave vinegar on a rag (to stop it just evaporating) on it for a
long while first it helps.

On Mon, 6 Aug 2007 14:44:20 +0100, "Barb"
wrote and included this (or some of this):

Hi, I've got some horrendous rust stains on flagstones, from old cast iron
pation furniture.

What's the best way of cleaning these? Can it be done? I've tried all
sorts of the usual things and nothing really seems to work ...

Well, there's this bloke, but he could prove a bit expensive.

http://www.geocities.com/modernjopa/tarmim/newpage3.htm

Try Steel brush and lots of elbow grease




--
®óñ© © ²°¹°-°³

On Mon, 6 Aug 2007 14:44:20 +0100, "Barb"
wrote:

Hi, I've got some horrendous rust stains on flagstones, from old cast iron
pation furniture.


The rust stains will have penetrated the flags down to quite a depth.
You will need to clean to the same depth. Try neat chlorine bleach and
leave it for a few days.

In reply to Steve Wolstenholme ) who wrote this
in , I, Marvo, say :

On Mon, 6 Aug 2007 14:44:20 +0100, "Barb"
wrote:

Hi, I've got some horrendous rust stains on flagstones, from old
cast iron pation furniture.


The rust stains will have penetrated the flags down to quite a depth.
You will need to clean to the same depth. Try neat chlorine bleach and
leave it for a few days.

That's what I meant about largely unsafe :-)

Another "cure" is conc hydrochloric acid or fuming nitric. It will damage
the flags, as will the bleach, I suspect.

"Barb" wrote in message
...
Hi, I've got some horrendous rust stains on flagstones, from old cast iron
pation furniture.

What's the best way of cleaning these? Can it be done? I've tried all
sorts of the usual things and nothing really seems to work ...

Thanks.

Barb


Phosphoric acid used to be marketed under the trade name of "FOS" we used it
lots on board ship to remove rust stains on white paint work and to treat
prepared bare steel prior to painting, Places like Halfords will no doubt
sell something similar for patching car paint work.
Its only really dangerous if working aloft with it and then only if the
ropes are natural fibres (i.e. we did not have to use full protective gear
to apply it)

--
Charlie, Gardening in Cornwall
http://www.roselandhouse.co.uk
Holders of National collections of Clematis viticella
and Lapageria rosea cultivars

On Mon, 6 Aug 2007 15:23:07 +0100, "Uncle Marvo"
wrote:

In reply to Steve Wolstenholme ) who wrote this
in , I, Marvo, say :

On Mon, 6 Aug 2007 14:44:20 +0100, "Barb"
wrote:

Hi, I've got some horrendous rust stains on flagstones, from old
cast iron pation furniture.


The rust stains will have penetrated the flags down to quite a depth.
You will need to clean to the same depth. Try neat chlorine bleach and
leave it for a few days.

That's what I meant about largely unsafe :-)

Another "cure" is conc hydrochloric acid or fuming nitric. It will damage
the flags, as will the bleach, I suspect.


Bleach doesn't damage flags but avoid any run off.

Steve

In message , Barb
writes
Hi, I've got some horrendous rust stains on flagstones, from old cast iron
pation furniture.

What's the best way of cleaning these? Can it be done? I've tried all
sorts of the usual things and nothing really seems to work ...

Thanks.

Barb


What are the flagstones made of? Anything that will dissolve rust is
liable to make a mess of limestone; some other rocks are more resistant.
--
Stewart Robert Hinsley

On 6/8/07 14:44, in article , "Barb"
wrote:

Hi, I've got some horrendous rust stains on flagstones, from old cast iron
pation furniture.

What's the best way of cleaning these? Can it be done? I've tried all
sorts of the usual things and nothing really seems to work ...

Thanks.


I've forwarded this to Cormaic to see if he has any ideas and/or time to
tell us!
--
Sacha
http://www.hillhousenursery.co.uk
South Devon
(remove weeds from address)
'We do not inherit the earth from our ancestors, we borrow it from our
children.'

On 6/8/07 17:58, in article ,
"Martin" wrote:

On Mon, 06 Aug 2007 17:42:47 +0100, Sacha
wrote:

On 6/8/07 14:44, in article , "Barb"
wrote:

Hi, I've got some horrendous rust stains on flagstones, from old cast iron
pation furniture.

What's the best way of cleaning these? Can it be done? I've tried all
sorts of the usual things and nothing really seems to work ...

Thanks.


I've forwarded this to Cormaic to see if he has any ideas and/or time to
tell us!

There is a chemical that will remove rust stains, people use it on GRP boats.
Oxalic acid. It is toxic,

Do you know how far it will penetrate, Martin, if these stains have gone
deeply into the flags? I think Barb has to be careful what she does
according to what kind of stone these are made from.
--
Sacha
http://www.hillhousenursery.co.uk
South Devon
(remove weeds from address)
'We do not inherit the earth from our ancestors, we borrow it from our
children.'

On Mon, 06 Aug 2007 18:58:50 +0200, Martin wrote:

On Mon, 06 Aug 2007 17:42:47 +0100, Sacha
wrote:

On 6/8/07 14:44, in article , "Barb"
wrote:

Hi, I've got some horrendous rust stains on flagstones, from old cast iron
pation furniture.

What's the best way of cleaning these? Can it be done? I've tried all
sorts of the usual things and nothing really seems to work ...

Thanks.


I've forwarded this to Cormaic to see if he has any ideas and/or time to
tell us!

There is a chemical that will remove rust stains, people use it on GRP boats.
Oxalic acid. It is toxic,

That's interesting. Perhaps rhubarb leaves will remove rust - they
contain oxalic acid.

Steve

"Barb" wrote in message
...
Hi, I've got some horrendous rust stains on flagstones, from old cast iron
pation furniture.

What's the best way of cleaning these? Can it be done? I've tried all
sorts of the usual things and nothing really seems to work ...

Thanks.

Barb


Dissolve a Steredent Denture tablet in a very little hot water. When totally
disolved and the foaming finished, try a small amount on a rust patch. Pour
it on and leave it for 12 hours. If one of the rust patches is out of view,
try it there :-)

I think you will find it works :-))

Mike



--
The Royal Naval Electrical Branch Association.
'THE' Association if you served in the Electrical Branch of the Royal Navy
Reunion Bournemouth August/September 2007
www.rneba.org.uk
"Navy Days" Portsmouth 25th - 27th July 2008. RN Shipmates will have a Stand

"Charlie Pridham" wrote in message
...

"'Mike'" wrote in message
...



"Barb" wrote in message
...
Hi, I've got some horrendous rust stains on flagstones, from old cast
iron
pation furniture.

What's the best way of cleaning these? Can it be done? I've tried all
sorts of the usual things and nothing really seems to work ...

Thanks.

Barb


Dissolve a Steredent Denture tablet in a very little hot water. When
totally
disolved and the foaming finished, try a small amount on a rust patch.
Pour
it on and leave it for 12 hours. If one of the rust patches is out of
view,
try it there :-)

I think you will find it works :-))

Mike

And probably a lot easier to get hold of than my suggestion!!

--
Charlie, Gardening in Cornwall


Bathroom Cabinet in my case ;-)

Mike


--
The Royal Naval Electrical Branch Association.
'THE' Association if you served in the Electrical Branch of the Royal Navy
Reunion Bournemouth August/September 2007
www.rneba.org.uk
"Navy Days" Portsmouth 25th - 27th July 2008. RN Shipmates will have a Stand

"'Mike'" wrote in message
...



"Barb" wrote in message
...
Hi, I've got some horrendous rust stains on flagstones, from old cast
iron
pation furniture.

What's the best way of cleaning these? Can it be done? I've tried all
sorts of the usual things and nothing really seems to work ...

Thanks.

Barb


Dissolve a Steredent Denture tablet in a very little hot water. When
totally
disolved and the foaming finished, try a small amount on a rust patch.
Pour
it on and leave it for 12 hours. If one of the rust patches is out of
view,
try it there :-)

I think you will find it works :-))

Mike

And probably a lot easier to get hold of than my suggestion!!

--
Charlie, Gardening in Cornwall
http://www.roselandhouse.co.uk
Holders of National collections of Clematis viticella
and Lapageria rosea cultivars