How can I remove brick acid staining from grey sandstone?

My grey sandstone is stained with brick acid, how do I remedy this?

Brick acid staining often occurs on grey sandstone when brick acid is used on this natural stone.  Find out how to get rid of the stains here

Brick acid is often used by contractors to ‘tidy up’ after the laying of a patio.  Residual cement mortar deposits from the build process which have hardened are often dissolved away using this general use building product.  On many materials no harmful effects can be noticed, but unfortunately the product is prone to drawing out the ferrous deposits within some sandstone materials, leaving unsightly rust/orange staining on the sandstone.

Grey sandstone is particularly prone to being stained by this process, as it has a higher iron content than some other sandstones.  Embedded within the structure of the stone unless coaxed out by this chemical process!

What can be done about the rusty coloured discolouration of my grey sandstone?

Rob Parker’s Best Rust Remover is highly effective at removing brick acid staining from grey sandstone paving.  It is a product we have had developed specifically to deal with a need we saw in the care of stone.

It is an easy product to use. Just use a paint brush to apply to the stains and leave for up to 15 minutes, then rinse thoroughly.

Rob Parkers Best Rust Remover will also be effective at removing rust stains that have occurred on other stone materials, from other sources. E.g.

  • Rust deposits from garden furniture that have stained stone surfaces
  • Ferrous deposits that have leached from within sandstone after the use of garden chemicals such as moss and weed-killers

Please be careful though.  This product is an acid and therefore not suitable for use on any limestone materials (including travertine, marble, etc).

A recent customer followed our advice:

Read her testimonial here>>

Buy Rob Parkers Best Rust Remover Now>>

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2 thoughts on “How can I remove brick acid staining from grey sandstone?

  • 15th September 2019 at 9:45 am
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    Honestly can’t thank you enough for this product had severe acid staining on my grey Indian sandstone followed the instruction and it has worked perfectly, expensive product but it is worth every single penny compared to anything off the shelf! Saved my patio! Thanks again 🙂

    Reply
    • 18th September 2019 at 9:48 am
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      Thank you for your feedback. We’re delighted you’re pleased with the results. Please spread the word!

      Reply

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