Permatex 81158 Black Silicone Adhesive Sealant, 3 oz. Permatex Black Silicone Adhesive Sealant Is Flexible And Waterproof, Withstanding Weather, Water, And Vibration For All Your Uses. Professional Formula: This general-purpose, sensor-safe black RTV sealant is suitable for both indoor and outdoor use on all of your projects.
