Profile: Carson Sales Co., Inc. is a provider of construction fasteners. Our extension ladders feature internal guides on bottom of fly section securely interlock rails, molded rung braces, direct rung to rail connections and external guides at top of base section securely interlock rails. Our silicone rubber adhesives are resistance to weathering, vibration, moisture and extreme temperatures & it will adhere to clean metal, glass, wood, silicone resins, vulcanized silicone rubber, ceramic, natural & synthetic fiber & painted & plastic surfaces.