Abstract: A plastic covered article for a railing which includes an elongate core encased in a seamless, plastic casing. The casing is heat shrunk to conform with the exterior surface of the core. The core is thereby covered along its length with a weather-resistant casing which requires no periodic field maintenance.The railing articles of the present invention are fabricated by heating a tube of plastic material and causing the tube to expand. The elongate core is inserted into the expanded tube to encapsulate the core. The tube encapsulating the core is again heated to shrink the tube tightly against the core such that the tube conforms to the exterior surface of the core.

Abstract: A post structure which includes a support pole, a casing, and spring clips for securing the casing to the pole. The spring clips each include a spiral portion which grips the pole, and arms which project outward to engage the inner sidewalls of the casing. The spring clips are constructed to permit the casing to be moved downwardly over the spring clips during installation. However, the spring clips effectively anchor the casing to the pole to prevent any upward movement of the casing for removal.