A splinting system comprising: a curable splint member including layers of fiberglass cloth coated with a water curable resin, and a pad at least partially enveloping the layers of fiberglass cloth, the pad having an exterior surface and an antimicrobial coating applied to the exterior surface； and a metal foil pouch containing the curable splint member, the metal foil pouch including an exterior surface. The antimicrobial coating includes a silane quaternary ammonium ion or salt thereof. The silane quaternary ammonium ion or salt thereof is one or more of: 3-(trimethoxysilyl)propyldimethyloctadecyl ammonium ion, 3-(trimethoxysilyl)propyldimethyloctadecyl ammonium chloride, 3-(trihydroxysilyl)propyldimethyloctadecyl ammonium ion, or 3-(trihydroxysilyl)propyldimethyloctadecyl ammonium chloride. The antimicrobial coating can be applied to the curable splint member by applying a solution, which includes 0.1 percent and 10 percent by weight the silane quaternary ammonium ion or salt thereof and an isopropyl alcohol solvent, to the exterior surface of the pad.
