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Moisture-resistant exterior trim

Assess water and moisture exposure using the product technical data, surface finish and installation details. Applied surrounding window perimeters, along structural building corners, and at roof intersections, it delivers essential sealing and aesthetic unity. Formulated from high-density polyurethane with non-porous closed-cell physics, this trim never absorbs water, preventing rot, mold, or structural degradation. Unlike wood or metal alternatives, it will not rust, twist, or attract wood-boring insects. The lightweight composition simplifies handling and attachment on job sites while providing remarkable impact strength against mechanical knocks.

3 products

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Frequently Asked Questions

What is waterproof exterior trim?

It is a decorative polyurethane trim system engineered to provide moisture-resistant protection across building exterior surfaces.

Does polyurethane exterior trim absorb water?

No, owing to its closed-cell polyurethane structure, it has low water absorption (below 1%) and is moisture-resistant.

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