
Rust-Oleum ® Reinforced Sealant is a high-performance, single-component, moisture-curing, room-temperature vulcanizing (RTV) silicone sealant. Formulated with reinforcing materials, it delivers exceptional sealing strength around roof fasteners, transitions and penetrations. This sealant offers ultra-high durability and maintains its integrity even when applied to areas subject to movement, such as fasteners and penetrations. It adheres strongly without the need for a primer to clean, dry and frost-free surfaces including concrete, metal and most roofing substrates. Reinforced Grade Sealant is resistant to environmental stressors such as UV rays, ozone, extreme temperatures, rain and snow, ensuring long-lasting performance in demanding conditions.