HOUSTON (March 12, 2025) – Westlake Royal Building Products™ (“Westlake Royal”), a Westlake company (NYSE:WLK), is adding a new patio door to its Westlake Royal Window Solutions™ portfolio. The Series 800 Patio Door combines the utmost in performance and versatility, with a variety of options to suit the needs of nearly any project or location.

HOUSTON (March 10, 2025) – Westlake Royal Building Products™ (“Westlake Royal”), a Westlake company (NYSE:WLK), has introduced a black frame option to its Legacy Collection window line, part of Westlake Royal Window Solutions™. The new color answers the growing demand for darker window frame options.

HOUSTON (March 5, 2025) – Westlake Royal Building Products™ (“Westlake Royal”), a Westlake company (NYSE: WLK), has added a new Reversible Nickel Gap/V-Groove profile to the Kleer® cellular PVC trim line. With crisp, clean lines and authentic detailing, each side of the panel exudes a charming aesthetic suitable for both modern and traditional home styles.

HOUSTON (March 3, 2025) – Westlake Royal Building Products™ (“Westlake Royal”), a Westlake company (NYSE: WLK), has expanded its Cedar Renditions™ aluminum siding line with five new solid colors in the U.S.—Aluzinc, Ironstone, Charcoal, Frost and Black Silk—along with a new premium woodgrain color—Natural Whitewash—in the U.S. and Canada.

HOUSTON (February 27, 2025) — Westlake Royal Building Products™ (Westlake Royal), a Westlake company (NYSE:WLK), is proud to offer fire-rated roofing and stone solutions designed to provide homeowners in wildfire-prone regions with added peace of mind and protection.