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Is grout waterproof ?
- Bob - wrote:
In a typical tiled shower installation, is the grout waterproof so that it keeps water out of the lower layers? Almost all grouts (some epoxy grouts are an exception) are somewhat permeable to water, in any case there are will likely be mechanical imperfections in the grout, increasing over time, which will admit water by capillary action Generally tiled bath and tub walls are installed to a rigid backing material highly resistant to water damage ("Durock" is a common example) with a vapor barrier behind that, if a tub or shower floor is tiled it's generally installed over a (hopefully) watertight assembly called a "pan", which usually incorporates a waterproof "liner". See for example: http://www.tileshop.com/diy/showerbase.pdf Michael Thomas Paragon Home Inspection, LLC Chicago IL mdtATparagoninspectsDOTcom |
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