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How can I clean stains in concrete? - Building Materials

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It depends what the stain is. Concrete is porous and like clothing, some stains are permanently set. Detergents remove oils. Surfectants take it a step further. Acid removes scale. Cat litter can soak up standing oil. Once clean to satisfaction, seal the concrete to help prevent future staining.

Posted on May 02, 2014

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Hi,
Dear I have seen a Video on YouTube in which showing the product that removes stains in concrete,it was great product I found. It easily and quicky give results after appplying the product.I think it was best product for you.
Watch this Video: https://www.youtube.co/watch?v=SQqaTT9eVBE

Posted on May 07, 2015

  • Christina Valentine
    Christina Valentine May 28, 2015

    Awesome Product Cleans all stains from my brick walls just love it....amazing result

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Dear I have seen a product on web which showing the product that removes stains in concrete,it was great product I found. It easily and quicky give results after appplying the product. The product is the melamine sponge, also been called magic eraser. it is has a magic power in cleaning. It is just need water can clean the stains effective, no need any detergent.And it has no harm to our skins. When you use the magic melamine sponge to clean the stains on furniture , you just need to put the magic melamine sponge into water then using hands to press out the extra water in the melamine sponge. Then we can use the melamine sponge to clean the furniture surface where has the dirty.
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Posted on Nov 26, 2016

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Rgtesh said it best. It's very important to know what the "staining material" is before a best remedy can be advised. Muriatic acid is not a good choice for oil or grease stains. For those, detergents, TSP, and surfactants work best. Other types of stains may use a different remedy.

Posted on Oct 28, 2014

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First, pressure spray or scrub brush with hot soapy water. Then solvent like carb cleaner to penetrate pores. Pool filter DE can be spread to soak up oil. Muriatic acid only if gray-aged, to get a fresh surface.

Posted on Oct 12, 2014

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I found the info for cleaning concerete here: http://www.dummies.com/how-to/content/how-to-clean-concrete.html
Basically, it says to: Pour muriatic acid solution onto the grease and oil stains. Then scrub the stain with an old broom. Finally, use a hose to spray water on the concrete.

Posted on Jul 22, 2013

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Once a true stain is embedded in concrete it is extremely difficult to remove because concrete is a porous material. Power washing will not remove real stains no matter how much you clean it. This stain will most likely be coming from below the concrete and is leaching up to the surface when it rains enough. Most likely if you do remove it you will find it comes back.

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Watch this Video: https://www.youtube.com/watch?v=SQqaTT9eVBE

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    My pool deck was coated with Behr solid deck stain and now there are several exposed cement areas where the paint has chipped Can can I use this product to cover the whole surface area before repainting ?...


    I'm not sure if your wording is incorrect or if you've revealed the problem. Usually the difference between paint and stain is paint is a topical product, stain penetrates the surface. If you've stained your concrete, it should be wearing off or fading, not chipping. If this is the case, the profile on your concrete isn't correct. That could mean the concrete was sealed before you stained it or there was something that wasn't properly cleaned before the coating was put on. The most common solution to concrete adhesion issues where I live/work is to etch the concrete prior to re-sealing it. On the contrary, if the stain is adhering everywhere except in one spot, it would indicate there was an issue only there (perhaps from a grill, pool chemicals,etc.). I'd clean the area well, perhaps pressure washing the entire area to make sure everything is properly adhering and re-coat it. Be sure not to stain or seal over loose 'paint'. It'll flake again if you do.

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    depends on what material is stained.. Aluminium stains can be very tricky to get clean if not impossible...some cleaners will also cause a orange/reddish stain wich will not come out unless you use some harsh chemicals to get them out. problem is it's hard to get to those chemicals. IF you happen to have a truck wash nearby where they wash the big trucks (18 wheelers)take your parts there and tell them to use some brightener on it it's a chemical that really cleans aluminium.it may cost you a little bit of money but that stuff really works and i haven't been able to find that stuff for private sale anywhere. the number 2 reasons for stains on the bike are : 1) waiting to long to wash the bike some types of sand/mud especially the red dirt we have down south here will stain a bike if you leave it on the bike not only that it dries as hard as concrete and is very difficult to remove , so was your bike ASAP. 2) washing chemicals. Some chemicals / soaps when they are left too long on aluminium will leave stains as it reacts with the aluminium , these stains are almost impossible to get out. ,,,

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