Cleaning red brick

celiam

WHat would I use to clean red brick on top of wall

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cobham

wire brush with bit of bleach and washing up liquid?

SchrodingersCat

Pressure washer.
if you wanted to be very thorough, brick acid. Needless to say, take precautions as it’s a very strong acid. https://www.chadwicks.ie/santrax-brick-cleaner-1lt-29953.html

Jim_Hodge

https://www.boards.ie/discussion/comment/122422485#Comment_122422485

I wouldn't take a pressure washer within an asses roar of those particular bricks.

Markcheese

I'm assuming theyre clay brick ,

https://www.jewson.co.uk/expert-advice/product-advice/brick-experts/how-to-clean-brickwork#:~:text=A%20simple%20hot%20water%20and,need%20special%20attention%20and%20treatment.

Markcheese

If its a relatively small area , a good scrubing brush should sort most of it out , without having to resort the acid ...

magicbastarder

Why not leave then like that? They've a little bit of character.

adgib

Recently did this on garden walls,use Santrax,brush it in leave for 10 minutes, power wash, wear heavy gloves and face mask

celiam

A very dirty looking character magicbastarder lol

celiam

I will try that but its a shared wall with my neighbour and don't want to use anything strong that would harm her side of the wall

Markcheese

https://www.boards.ie/discussion/comment/122426895#Comment_122426895

I've a vision of you just planning on cleaning a few bricks on top of a shared wall , and then a few small acid spills later , having to scrub down your neighbours entire garden wall ..

celiam

Scrubbing wouldn't do,she would be looking for a full repaint