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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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Removing concrete stains
I have a bunch of tool boxes used by masons, which have some concrete
stuck on them. I want to remove that stuff quickly and efficiently and it is a lot of items (four huge Knaack field stations, Knaack gangboxes and many concrete saws). What is the best and easiest way/chemical etc thanks I tried a power washer, it seems to work on some stains and, miraculously, not on others. i |
#2
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Removing concrete stains
"Ignoramus11693" wrote in message ... I have a bunch of tool boxes used by masons, which have some concrete stuck on them. I want to remove that stuff quickly and efficiently and it is a lot of items (four huge Knaack field stations, Knaack gangboxes and many concrete saws). What is the best and easiest way/chemical etc thanks I tried a power washer, it seems to work on some stains and, miraculously, not on others. Sand blasting ? |
#3
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Removing concrete stains
Ignoramus11693 wrote:
I have a bunch of tool boxes used by masons, which have some concrete stuck on them. I want to remove that stuff quickly and efficiently and it is a lot of items (four huge Knaack field stations, Knaack gangboxes and many concrete saws). What is the best and easiest way/chemical etc thanks I tried a power washer, it seems to work on some stains and, miraculously, not on others. i Vinegar or just about any weak acid . How about that stuff they sell at the BigBox stores for cleaning mortar residue off new brickwork ? -- Snag Learning keeps you young ! |
#4
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Removing concrete stains
"Snag" fired this volley in
: Vinegar or just about any weak acid . How about that stuff they sell at the BigBox stores for cleaning mortar residue off new brickwork ? Concrete is mostly sulfates, which don't dissolve easily in things that won't adversely affect the boxes. If the "stains" are mortar, they'll come loose with a mild acid. If they're really Portland-based concrete, mechanical abrasion with water is the quickest way. Lloyd |
#5
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Removing concrete stains
"Ignoramus11693" wrote in message ... I have a bunch of tool boxes used by masons, which have some concrete stuck on them. I want to remove that stuff quickly and efficiently and it is a lot of items (four huge Knaack field stations, Knaack gangboxes and many concrete saws). What is the best and easiest way/chemical etc thanks I tried a power washer, it seems to work on some stains and, miraculously, not on others. i For the gangboxes, I would try whacking them with a piece of wood, or using a piece of wood like a chisel. |
#6
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Removing concrete stains
On Thu, 15 Mar 2012 17:22:24 -0500, Ignoramus11693
wrote: I have a bunch of tool boxes used by masons, which have some concrete stuck on them. I want to remove that stuff quickly and efficiently and it is a lot of items (four huge Knaack field stations, Knaack gangboxes and many concrete saws). What is the best and easiest way/chemical etc thanks I tried a power washer, it seems to work on some stains and, miraculously, not on others. i When my chimney was built the stone mason used muriatic acid to wash the mortar stains off of the stones. I think he diluted it but I don't know how much. Anyway, the stones were all stained with mortar and after he washed them with acid they were all very clean. Muriatic acid will not damage the steel but will remove rust. Of course using any acid will require good rinsing afterwards to avoid rusting. Eric |
#7
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Removing concrete stains
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#8
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A power wash will not work on this application. I am a concrete restoration specialist and know exactly what you should use and you'll get 95-100% results. Are you still looking for a product?
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