Exterior Window Trim Corners

Exterior window trim corners are premium polyurethane architectural elements designed to provide seamless sealing and aesthetic continuity at the 90-degree corner joints of window and door casings. Engineered to prevent water infiltration and eliminate thermal bridging, these corner blocks add a refined decorative touch to any facade. Unlike fragile styrofoam alternatives, our high-density polyurethane corners are exceptionally impact-resistant, weatherproof, and UV-stable, ensuring they won't crack or degrade over time. Lightweight and easy to paint, Polure's exterior trim corners deliver superior durability, thermal efficiency, and lasting curb appeal.