Westlake Royal Building Products, a subsidiary of Westlake (NYSE: WLK), displayed its extensive range of exterior building solutions at the AIA Conference on Architecture & Design 2026 in San Diego from June 10-13. The showcase at booth #1627 included innovative materials and systems for stone, siding, trim, and roofing. These offerings are tailored to enhance the aesthetic appeal and performance of residential, multifamily, and light commercial buildings.