TimberTech Composite 5.5" x 5.5" Post Sleeve — Classic Composite Series

TimberTech Composite Post Sleeves in the 5.5" x 5.5" size provide a clean, durable solution for finishing deck and railing posts with a polished, low-maintenance appearance. Engineered from high-performance composite materials, these sleeves resist fading, staining, cracking, and splitting—making them ideal for long-term outdoor use in a variety of climates. Their consistent color and smooth finish help create a cohesive, upscale look that complements TimberTech railing systems and other outdoor design elements. Designed to fit over standard 4" x 4" wood posts, these sleeves offer a straightforward installation process while instantly upgrading the overall aesthetic of any deck or porch. Unlike traditional wood, they require no sanding, staining, or painting, saving time and maintenance costs over the life of the product. Whether used in new construction or as part of a renovation, TimberTech Composite Post Sleeves deliver lasting performance and refined style.