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Efflorescence: Cause and Control1; ef-flo-res-cence (ef∋ le res∋ens), 1. a change on the surface to a powdery substance upon exposure to air, as a crystalline substance through loss of water. 2. to become incrusted or covered with crystals of salt or the like through evaporation or chemical change.
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www.masonryinstitute.org/pdf/612.pdf
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What causes efflorescence and how do you remove it? from Concrete Construction provided by Find Articles at BNET ... The reaction products of acid on concrete are all soluble calcium and iron salts, which can cause more efflorescence.
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findarticles.com/p/articles/mi_m0NSX/is_12_50/ai_n15968...
findarticles.com/p/articles/mi_m0NSX/is_12_50/ai_n15968775/
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Efflorescence is a white crystalline or powdery, often fluffy/fuzzy deposit on the surface of masonry materials like concrete, brick, clay tile, etc. It's caused by water seeping through the wall/floor/object.
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www.factsfacts.com/MyHomeRepair/efflorescence.htm
www.factsfacts.com/MyHomeRepair/efflorescence.htm
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Early detection and prevention of moisture sources that cause efflorescence can save homeowners hundreds or even thousands of dollars in future repairs.
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www.saversystems.com/articles/efflores3.htm
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Three conditions must exist before efflorescence will occur. First, there must be water-soluble salts present somewhere in the wall. Secondly, there must be sufficient moisture in the masonry to render the salts ... The cause of the moisture must be determined and corrective measures taken to keep water out of the chimney.
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www.saversystems.com/articles/efflores2.htm
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What is Efflorescence? A white haze that may appear on the surface of the pavers. It may appear randomly or in certain areas, and will be more pronounced on dark colored pavers. ... When will Efflorescence Stop? When the supply of calcium hydroxide is exhausted. If you live in an area of frequent rain and sunny...
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www.interlockonline.com/tips.html
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Frequently Asked Questions; Cement & Concrete Technology Home > FAQs > Efflorescence ... In rare cases excessive efflorescence, within the pores of the material, can cause expansion that may disrupt the surface.
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www.cement.org/tech/faq_efflorescence.asp
www.cement.org/tech/faq_efflorescence.asp
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Basement humidity can cause problems with efflorescence. Using a quality dehumidifier may be all you need. ... The reason high humidity can cause efflorescence, is because high humidity leads to condensation forming on the masonry surfaces. Condensation causes beads of moisture to form on the cool surfaces and is absorbed...
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www.b-dry.com/basement-dehumidifier.html
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Some forms are very difficult (if not impossible) to remove, while others are easy—especially if they are removed right after they form. Removing efflorescence The easiest time to remove calcium hydroxide efflorescence is before it combines...
http://www.concreteconstruction.net/industry-news.asp?s...
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