| nailing |
(1) In the EXPOSED NAIL METHOD, nail heads are exposed to the weather; (2) in the CONCEALED NAIL METHOD, nail heads are concealed from the weather. (See also BLIND NAILING.) Neoprene: A synthetic rubber (polychloroprene) used in liquid-applied and sheet-applied elastomeric roof membrane or flashings. Nineteen-Inch Selvage: A prepared roofing sheet with a 17 inch granule-surfaced exposure and a non granule-surfaced 19 inch selvage edge. ...
출처: jetclean.net/RoofingDictionary.htm
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