The present application discloses a one-part room temperature vulcanizable (RTV) poly(diorganosiloxane) composition for a superhydrophobic elastomeric silicone coating; a method of coating a high voltage insulator using such a composition and a coated high voltage insulator prepared by such a method or using such a composition. The present application also discloses methods of protecting a substrate, of waterproofing a substrate, for reducing drag on a substrate and/or for inhibiting water from pooling on a horizontal or near-horizontal substrate using such a composition.
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