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Epoxy moisture control systems are chemical barriers that are used to prevent moisture damage to flooring. Excessive moisture vapor emissions in concrete slabs can mean significant, expensive damage to a flooring installation. Hundreds of millions of dollars are spent annually just in the United States to correct moisture-related problems in ...
Floors over crawl spaces and basements, without vapor barriers or with dirt floors, are mold-prone. The "doormat test" detects moisture from concrete slabs without a sub-slab vapor barrier. [citation needed] Inorganic materials, such as metal or polished concrete, do not support mold growth, although surface mold growth is still possible.
The highest airborne mould concentrations are found in buildings where significant mould infestation has occurred, usually as a result of severe water intrusion or flood damage. [4]: 178 Moulds can grow on almost any surface and occur where there is a lot of moisture from structural problems such as leaky roofs or high humidity levels. [5]
Most fungi will only thrive in acid conditions, but dry rot will remain active in alkaline conditions. This gives it the ability to grow through damp mortar, masonry, and plaster, infecting other areas of the building. [4] Thick, conducting strands known as rhizomorphs, are produced to cross inert surfaces and penetrate masonry.
Mold is a dangerous library pest because of the damage it causes to the collections. Mold thrives off of paper and books; these objects provide the fungi a source of nutrition, namely the sugar and starches present in the cellulose materials. [6] Mold feeds on cloth, leather, glues, adhesives, cellulose starch and starches in the sizing.
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