- Thread starter atomant48
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DanielW
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As has been said,brick acid is the norm but i have found it not good for the white slabs outside the front.
I thoroughly wetted the slabs first and brushed it in undiluted and left it for 15,then pressure washed it but it didn't come up really clean,slightly better but there was a shade dark in them dunno if it was the slabs and the way they where fired or what?
RedBrick will be different though.
I thoroughly wetted the slabs first and brushed it in undiluted and left it for 15,then pressure washed it but it didn't come up really clean,slightly better but there was a shade dark in them dunno if it was the slabs and the way they where fired or what?
RedBrick will be different though.
Jan
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If it's just calcium based efflourescence, than any mild acid will dissolve it. I prefer citric for this kind of job as it's clear and readily available from home brew shops. Small amounts can even be found in Wilko stores.
It's perfect for descaling kettles, coffee machines and even toilet bowls. It works much faster when hot.
It's perfect for descaling kettles, coffee machines and even toilet bowls. It works much faster when hot.
brightspark
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paint stripper or celly thinners and a wire brush if its just household gloss and not just matt brick paint
DanielW
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As per Brightys answer if its splashes of that ilk,wet sandblasting if its a lot? but only cos I have one.
