Westlake Royal Building Products™ Expands Magnolia™ Window Line with Trend-Forward Black Frame Option

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HOUSTON--(BUSINESS WIRE)--Oct 13, 2025--

Westlake Royal Building Products™ (“Westlake Royal”), a Westlake company (NYSE:WLK), has added a new black frame option to its Westlake Royal Windows’ Magnolia ™ Collection in response to the increasing demand for darker window frame styles.

“Black window frames and other dark accessories saw a significant rise in popularity with the Modern Farmhouse aesthetic, but they’ve proven to be a timeless choice, remaining a favorite even as design trends evolve,” said Steve Booz, vice president of marketing at Westlake Royal Building Products. “By expanding key offerings in the Magnolia Collection, we aim to help building pros and designers meet homeowner demand with dependable, design-forward materials that offer lasting performance and quality.”

Available throughout the Magnolia Collection, including the 400/4000 Series and 450 Series, the new frame features a sleek black finish on both its interior and exterior surfaces. Drawing inspiration from classic Southern architecture, Magnolia windows are engineered for durability and energy efficiency. They feature multi-chambered vinyl profiles, an all-welded frame and sash, and aluminum sash reinforcement. They are rated up to a DP-50 performance level and include an integral nailing fin and dual weather-stripping. 1

Offered in single hung, slider and picture window models, the Magnolia Collection combines timeless styling with practical benefits, including moisture-resistant rigid PVC that won’t rot, warp or crack. Sleek sash lines maximize daylight openings for brighter interiors, while ¾” insulating glass with a warm-edge technology spacer system helps reduce heat loss and sound transmission.

The Magnolia Collection is currently available in Alabama, Georgia, Florida, Louisiana, Mississippi, North Carolina, South Carolina and Tennessee. To learn more, visit https://www.westlakeroyalbuildingproducts.com/windows.

About Westlake Royal Building Products

Westlake Royal Building Products USA Inc., a Westlake company (NYSE:WLK), is a leader throughout North America in the innovation, design, and production of a broad and diverse range of exterior and interior building products, including Siding and Accessories, Trim and Mouldings, Roofing, Stone, Windows and Outdoor Living. Westlake Royal Building Products manufactures high quality, low maintenance products to meet the specifications and needs of building professionals, homeowners, architects, engineers and distributors, while providing stunning curb appeal with an unmatched array of colors, styles, and accessories.

For more information, please visitWestlakeRoyalBuildingProducts.com. Follow us onLinkedInandInstagramand “Like” us onFacebook.

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CONTACT: Media Contact:

Sophia Possidente

Planit

[email protected] Swint

Westlake Royal Building Products

[email protected]

KEYWORD: UNITED STATES NORTH AMERICA TEXAS

INDUSTRY KEYWORD: ARCHITECTURE OTHER CONSTRUCTION & PROPERTY RESIDENTIAL BUILDING & REAL ESTATE MANUFACTURING COMMERCIAL BUILDING & REAL ESTATE CONSTRUCTION & PROPERTY OTHER MANUFACTURING

SOURCE: Westlake Royal Building Products

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PUB: 10/13/2025 09:00 AM/DISC: 10/13/2025 08:59 AM

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