Polyurethane Belt Course
Polyurethane belt courses (string courses) are horizontal architectural moldings used on building exteriors to visually separate floors and divert rainwater away from the facade. Ideal for multi-story buildings, they cover joint lines between floors while adding an aesthetic rhythm to the exterior. Compared to EPS foam or concrete alternatives, polyurethane belt courses are highly impact-resistant and impervious to external damage like bird pecking. Their waterproof structure prevents cracking, molding, and rotting during freeze-thaw cycles. Being lightweight, they add no extra static load to the building and can be securely and quickly installed using exterior adhesives and mechanical anchors. Polure guarantees a smooth finish and superior durability with its high-density polyurethane exterior molding technology.
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Frequently Asked Questions
What is a polyurethane belt course?
They are horizontal decorative profiles designed to define floor transitions on building exteriors while protecting the facade from rainwater run-off.
How is an exterior belt course installed?
It is securely mounted to the facade using premium exterior-grade polyurethane adhesives and reinforced with mechanical anchors for maximum stability.





























