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-   -   How to remove black marks from bricks? (https://www.cableforum.uk/board/showthread.php?t=33687535)

SnoopZ 08-05-2012 18:32

How to remove black marks from bricks?
 
1 Attachment(s)
I thought i would ask here first, before going to a more suitable forum.

Does anyone have any experience removing black water marks from bricks and if so how can i do it? :)

Bulky 08-05-2012 18:37

Re: How to remove black marks from bricks?
 
Brick acid should do the trick :)

Scrubbs 08-05-2012 18:37

Re: How to remove black marks from bricks?
 
A jetwasher (karcher?) is the only thing I can think of as it has gone into the "pores" of the brick?:)

SnoopZ 08-05-2012 18:37

Re: How to remove black marks from bricks?
 
Quote:

Originally Posted by Bulky (Post 35425014)
Brick acid should do the trick :)

Would that change the original colour of my bricks to?

martyh 08-05-2012 18:38

Re: How to remove black marks from bricks?
 
Quote:

Originally Posted by SnoopZ (Post 35425010)
I thought i would ask here first, before going to a more suitable forum.

Does anyone have any experience removing black water marks from bricks and if so how can i do it? :)


Brick acid should do it mate ,you can get it from any builders merchant B&Q,Wicks etc

Bulky 08-05-2012 18:38

Re: How to remove black marks from bricks?
 
http://www.amazon.co.uk/dp/B001GUA4L...SIN=B001GUA4L8

SnoopZ 08-05-2012 18:39

Re: How to remove black marks from bricks?
 
Quote:

Originally Posted by Scrubbs (Post 35425015)
A jetwasher (karcher?) is the only thing I can think of as it has gone into the "pores" of the brick?:)

I tried a jet washer years ago and it didn't move it, yes it has gone into the pores of the bricks as it is atleast 10 years old that mark.

Bulky 08-05-2012 18:39

Re: How to remove black marks from bricks?
 
Quote:

Originally Posted by SnoopZ (Post 35425016)
Would that change the original colour of my bricks to?

Will just clean them, will only remove dirt ...

martyh 08-05-2012 18:41

Re: How to remove black marks from bricks?
 
Quote:

Originally Posted by SnoopZ (Post 35425016)
Would that change the original colour of my bricks to?


only in that it will return the bricks to their natural colour as new ,they will soon blend back in and match the rest

SnoopZ 08-05-2012 18:41

Re: How to remove black marks from bricks?
 
Thanks all for pointing me in the right direction. :)

Taf 08-05-2012 19:40

Re: How to remove black marks from bricks?
 
What caused the staining? Is it an acidic water coming from a combi-condenser?

martyh 08-05-2012 19:48

Re: How to remove black marks from bricks?
 
Quote:

Originally Posted by Taf (Post 35425061)
What caused the staining? Is it an acidic water coming from a combi-condenser?


It's typical of using the black rubber seals around the vent .Rainwater hits and finds the drip point at the bottom where the particles of rubber are concentrated and drip onto the brick .


@Snoopz (and anyone else who has this issue) A couple of coats of brick sealer will stop it getting into the pours of the brick and make it easier to get off in future

SnoopZ 08-05-2012 19:59

Re: How to remove black marks from bricks?
 
Quote:

Originally Posted by Taf (Post 35425061)
What caused the staining? Is it an acidic water coming from a combi-condenser?

Yes it is from the water coming off combi condenser, and i have ignored it all these years and it really stands out now and looks a mess as you can see.

Thanks Martyh i will look into that too.

budwieser 08-05-2012 22:05

Re: How to remove black marks from bricks?
 
Quote:

Originally Posted by SnoopZ (Post 35425010)
I thought i would ask here first, before going to a more suitable forum.

Does anyone have any experience removing black water marks from bricks and if so how can i do it? :)

A Brick coloured felt tip? :shrug::D

SnoopZ 08-05-2012 22:13

Re: How to remove black marks from bricks?
 
Quote:

Originally Posted by budwieser (Post 35425152)
A Brick coloured felt tip? :shrug::D

:LOL:


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