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Bughole-induced outgassing

Bughole-Induced Outgassing is a phenomenon occurring when applying a protective coating (or lining) to concrete (predominantly vertically cast-in-place) where air becomes entrapped within bughole cavities and releases into or through the protective coating, thereby causing pinholes and holidays in the coating film.

As a requirement of the SSPC-SP13/NACE No. 6 Surface Preparation of Concrete Joint Standard, bugholes are to be filled prior to coating application.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Bughole-induced_outgassing". A list of authors is available in Wikipedia.
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