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Essex Power Washing

  • Posts: 68
Large oil patch in black Indian sandstone
« on: January 13, 2015, 05:17:53 pm »
A garage asked if I could help and clean up a large oil spill on a customers drive apx 5lts it been on a week now. The drive had been sealed last year. I have tried oil remover and cold pressure wash off on one stone, dried it off and rubbed it with a white paper towel no oil on towel but the stone dried dark any ideas !!!
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Kev Martin

  • Posts: 6954
Re: Large oil patch in black Indian sandstone
« Reply #1 on: January 13, 2015, 05:19:39 pm »
What is the drive constructed of?

Kev
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JetVac Cleaning

  • Posts: 266
Re: Large oil patch in black Indian sandstone
« Reply #2 on: January 13, 2015, 05:20:51 pm »
Quote from: Essex Power Washing on January 13, 2015, 05:17:53 pm
A garage asked if I could help and clean up a large oil spill on a customers drive apx 5lts it been on a week now. The drive had been sealed last year. I have tried oil remover and cold pressure wash off on one stone, dried it off and rubbed it with a white paper towel no oil on towel but the stone dried dark any ideas !!!
try cleaning with hot next time and if no joy then the sealer might be permanently stained and need stripping off
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Essex Power Washing

  • Posts: 68
Re: Large oil patch in black Indian sandstone
« Reply #3 on: January 13, 2015, 05:42:24 pm »
The stone is Indian black sandstone
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Essex Power Washing

  • Posts: 68
Re: Large oil patch in black Indian sandstone
« Reply #4 on: January 13, 2015, 05:52:47 pm »
How is the best way to remove sealer
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Kev Martin

  • Posts: 6954
Re: Large oil patch in black Indian sandstone
« Reply #5 on: January 13, 2015, 05:55:09 pm »
Quote from: Essex Power Washing on January 13, 2015, 05:42:24 pm
The stone is Indian black sandstone

Derr!!!  Sorry the answer was in the title (Another senior moment). 

I didn't think this stuff was suitable for drives??? 
How thick is it? 
How big are the slabs?
How many are stained?

Kev
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Essex Power Washing

  • Posts: 68
Re: Large oil patch in black Indian sandstone
« Reply #6 on: January 13, 2015, 06:29:57 pm »
Not sure how thick all diff sizes square and oblong 80% covered
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Essex Power Washing

  • Posts: 68
Re: Large oil patch in black Indian sandstone
« Reply #7 on: January 13, 2015, 06:41:15 pm »
Pics of drive
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Essex Power Washing

  • Posts: 68
Re: Large oil patch in black Indian sandstone
« Reply #8 on: January 13, 2015, 06:46:59 pm »
Whole driveway
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Kev Martin

  • Posts: 6954
Re: Large oil patch in black Indian sandstone
« Reply #9 on: January 13, 2015, 07:07:05 pm »
Not withstanding the oil stain There is a lot more going on there!  The whole drive needs deep cleaning and then going over with honing powder as well so you can see the woods for the tree to see what yourdealing with

Kevin
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Essex Power Washing

  • Posts: 68
Re: Large oil patch in black Indian sandstone
« Reply #10 on: January 13, 2015, 07:32:40 pm »
What do you think to charge and will it get back to original state to satisfy customer or walk away 
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chris scott

  • Posts: 3414
Re: Large oil patch in black Indian sandstone
« Reply #11 on: January 13, 2015, 07:40:53 pm »
It's limestone not sandstone. £50 per sqm to strip and reseal.
https://www.youtube.com/watch?v=LevU1dZxbjs
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JetVac Cleaning

  • Posts: 266
Re: Large oil patch in black Indian sandstone
« Reply #12 on: January 13, 2015, 07:58:46 pm »
What product would you use to strip Chris?
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Kev Martin

  • Posts: 6954
Re: Large oil patch in black Indian sandstone
« Reply #13 on: January 13, 2015, 08:04:02 pm »
Quote from: Essex Power Washing on January 13, 2015, 07:32:40 pm
What do you think to charge and will it get back to original state to satisfy customer or walk away 

Subject to a test area at a guess around £25 M2. It wouldn't take long with a Mono Rotary fitted with the right brush.

Kev
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chris scott

  • Posts: 3414
Re: Large oil patch in black Indian sandstone
« Reply #14 on: January 13, 2015, 08:18:25 pm »
Some people would use a Dichloromethane (Dcm) stripper...but that would be Illegal since 2012.
If you knew anybody who used this... I am sure they would make sure that the pointing is not of a synthetic type else it would take that out as well.
Conventional (sand and cement) pointing is fine...I have been told.
Do not use anything with acid in it.
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Neil Jones

  • Posts: 1592
Re: Large oil patch in black Indian sandstone
« Reply #15 on: January 13, 2015, 08:19:22 pm »
I wouldn't go near that for the hassle
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Kev Martin

  • Posts: 6954
Re: Large oil patch in black Indian sandstone
« Reply #16 on: January 13, 2015, 08:28:56 pm »
I don't think it would be that difficult subject to doing a test area first to check!  Depends how busy you are I suppose really
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chris scott

  • Posts: 3414
Re: Large oil patch in black Indian sandstone
« Reply #17 on: January 13, 2015, 08:38:27 pm »
Go strip a metre...make sure you can get it off and it drys out ok . You will then have a good idea of materials used ,time taken and how much mess... X  this by the total area . You will then have an idea of the cost to you .
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Exterior cleaning specialists covering Merseyside,Lancashire and Cheshire. TEL 08000 933267

Kev Martin

  • Posts: 6954
Re: Large oil patch in black Indian sandstone
« Reply #18 on: January 13, 2015, 08:46:05 pm »
Quote from: chris scott on January 13, 2015, 08:38:27 pm
Go strip a metre...make sure you can get it off and it drys out ok . You will then have a good idea of materials used ,time taken and how much mess... X  this by the total area . You will then have an idea of the cost to you .

Chris

A full paragraph for saying "Test Area" then ;D

Kev
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chris scott

  • Posts: 3414
Re: Large oil patch in black Indian sandstone
« Reply #19 on: January 13, 2015, 09:07:26 pm »
A test area is many things to many people.
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BDCS

  • Posts: 4777
Re: Large oil patch in black Indian sandstone
« Reply #20 on: January 13, 2015, 09:52:01 pm »
Paint stripper cannot contain that stuff but given a different name then its acceptable - possibly a coating ? The waste should be collected which would be quite sticky possibly. There are also other ways of removal but the tax evader is away.
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Kev Martin

  • Posts: 6954
Re: Large oil patch in black Indian sandstone
« Reply #21 on: January 13, 2015, 10:14:25 pm »
Quote from: chris scott on January 13, 2015, 09:07:26 pm
A test area is many things to many people.

Like having dialogue with you ;D
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BDCS

  • Posts: 4777
Re: Large oil patch in black Indian sandstone
« Reply #22 on: January 15, 2015, 12:01:13 am »
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chris scott

  • Posts: 3414
Re: Large oil patch in black Indian sandstone
« Reply #23 on: January 15, 2015, 07:15:39 am »
 ;D
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Kev Martin

  • Posts: 6954
Re: Large oil patch in black Indian sandstone
« Reply #24 on: January 15, 2015, 10:03:55 am »
 ;D ;D ;D
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Roger Oakley

Re: Large oil patch in black Indian sandstone
« Reply #25 on: January 18, 2015, 03:41:48 pm »
Quote from: chris scott on January 13, 2015, 07:40:53 pm
It's limestone not sandstone. £50 per sqm to strip and reseal.
https://www.youtube.com/watch?v=LevU1dZxbjs

It might even be concrete Chris? the surface doesn't look right for it to be Limestone or Sandstone from what I can see of the photos.
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chris scott

  • Posts: 3414
Re: Large oil patch in black Indian sandstone
« Reply #26 on: January 18, 2015, 03:49:49 pm »
Quote from: Roger Oakley on January 18, 2015, 03:41:48 pm
Quote from: chris scott on January 13, 2015, 07:40:53 pm
It's limestone not sandstone. £50 per sqm to strip and reseal.
https://www.youtube.com/watch?v=LevU1dZxbjs

It might even be concrete Chris? the surface doesn't look right for it to be Limestone or Sandstone from what I can see of the photos.
Could be…always hard from pictures. It was the "black Indian sandstone" and the fact that somebody had bothered to seal it that I took a guess at black/grey ;D limestone. …It's quite common .
 I have seen a  black concrete cast "york stone" at waterside development and it was very very impressive. Random "worn "edges ,rope marks, square peg holes…it had everything.
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www.render-cleaning.co
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Exterior cleaning specialists covering Merseyside,Lancashire and Cheshire. TEL 08000 933267

BDCS

  • Posts: 4777
Re: Large oil patch in black Indian sandstone
« Reply #27 on: January 18, 2015, 05:30:47 pm »
Random "worn "edges ,rope marks, square peg holes…it had everything.

Just like yourself  ;)
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chris scott

  • Posts: 3414
Re: Large oil patch in black Indian sandstone
« Reply #28 on: January 18, 2015, 05:41:38 pm »
Only rope marks are on my wrists  ;D
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www.render-cleaning.co
https://www.cleaning-service.uk.com/bromoco-systems/
Exterior cleaning specialists covering Merseyside,Lancashire and Cheshire. TEL 08000 933267

Roger Oakley

Re: Large oil patch in black Indian sandstone
« Reply #29 on: January 18, 2015, 07:00:27 pm »
Black Limestone & Black sandstone can look similar from photos to be honest. From the photos it looks more like a "cast" concrete fake look-a-like to me. The next question will be how do you know the difference between the two  ;D and "how was I supposed to know difference" when I quoted !!!!!
You know how it goes Chris
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