#924 Eterna-Sil Premium Silicone Roof Coating is a professional grade 100% silicone roof coating. This product is a high performance, solvent free, high solids, single component, moisture cure liquid applied silicone roof coating. #924 Silicone is an elastomeric and vapor permeable membrane exhibiting outstanding ponded water resistance for direct-bond application over architectural surfaces such as low-sloped or flat roofing systems, vertical walls, masonry, granulated BUR/Mod-Bit, granulated APP, concrete, metal, single-ply membranes and spray polyurethane foam (SPF) systems.