The act of fitting or covering something with glass, or in surfing, applying a layer of resin and fiberglass to a surfboard.
From 'glass' (verb) + the suffix '-ing' (forming gerunds and present participles). The surfing sense emerged in the 1950s-60s when fiberglass and epoxy resin became standard for board construction.
In surfing culture, 'glassing' is crucial but overlooked—a perfectly glassed board can last decades, but poor glassing will delaminate within a season, which is why professional shapers guard their techniques like trade secrets.
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