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Posted: Fri Apr 13, 2012 7:08 pm
by segovia
I had some brickwork done next to my new Indian stone paving. The bricks were set in a pre-made mortar that dries to a light brown ie not regular sand and cement. The bricklayer managed to get some on the paving which wasn't noticeable as it was a bit wet when he finished. I see that acid is not recommended for Indian stone .
Neolith 325 is claiming its good for indian stone, any views on this ?
PS I wish I could add pictures to these posts (;-(
Posted: Fri Apr 13, 2012 7:32 pm
by msh paving
you can add a pic, upload you pix to photobucket or flickr,or similar then post the code on the post,the details are allin the forum index, a pic would be good to advise you MSH 
Posted: Fri Apr 13, 2012 7:32 pm
by London Stone Paving
pictures are an absolute doddle. Have a play on photobucket for half an hour and if you cant post a photo at the end of it, you are a complete numpty :;): 
Acid is ok on Indian sandstone (but never on any type of limestone).
Can you let me know what sort of stone you have and I will tell you how to remove the cement
All the best
Steve
Posted: Fri Apr 13, 2012 8:09 pm
by RAPressureWashing
Hi
Not used or tried the Neolith products but on reading up on it, it does sound ok, you could also give this company a call Tensid, speak to Richard Turk, and ask him to send you a sample of their Limestone restorer, I have used this loads of times on Sandstone, just dilute to 3:1.
Steve,
No disrespect mate but to say "acid" is safe on Sandstone on a forum is not the best advice, IE what acid is going to be used and what is the person wanting to do, to many chances of something going wrong IMV.
Posted: Sat Apr 14, 2012 8:54 am
by seanandruby
London Stone Paving wrote:pictures are an absolute doddle. Have a play on photobucket for half an hour and if you cant post a photo at the end of it, you are a complete numpty :;):
Acid is ok on Indian sandstone (but never on any type of limestone).
Can you let me know what sort of stone you have and I will tell you how to remove the cement
All the best
Steve
I'm a numpty, been trying forever, transfered from phone to pc and can't find any now . Have get my kids to do it 
:p
Posted: Sat Apr 14, 2012 9:05 am
by segovia
The stone is listed on the invoice is listed as N/P Finestone Promenade
[url=http://www.pavingsuperstore.co.uk/speci ... ng-pack-17
512-p.asp]http://www.pavingsuperstore.co.uk/special....2-p.asp[/url]
I didn't get it from the above supplier but I guess its the same stuff.
Posted: Sun Apr 15, 2012 6:47 pm
by London Stone Paving
R&A Pressure Washing wrote:Steve,
No disrespect mate but to say "acid" is safe on Sandstone on a forum is not the best advice, IE what acid is going to be used and what is the person wanting to do, to many chances of something going wrong IMV.
Roger
I hear what you are saying. Maybe I should have qualified the comment, but I wasnt really expecting Segovia to got out and buy a VAT of acid and just pour it straight onto his patio (although you never know :;): )
I would have expected him to come back to the forum for further advice.
I have used acid on sandstone on numerous occasions with no ill effects, but obviously I know what I am doing.
To anyone out there thinking of using acid on sandstone, always take professional advice first
Posted: Sun Apr 15, 2012 6:48 pm
by London Stone Paving
Just tried to use the link but its not working
Posted: Sun Apr 15, 2012 10:05 pm
by segovia
This is the stuff
JMy Webpage
Posted: Tue Apr 17, 2012 8:30 pm
by London Stone Paving
Not sure exactly what it is but its definately sandstone from the Kota region of India. Before I give any further advice on how to remove the cement can you post a photo of the affected stone?
Posted: Wed Apr 18, 2012 7:42 am
by segovia
Above
Posted: Sat Apr 21, 2012 3:30 pm
by RAPressureWashing
As I said in an earlier answer, get in touch with a company called Tensid do a google search for their details, and ask if they can send you a sample of there Limestone restorer.