Business
Westlake Royal Building Products™ Introduces 5/8" Lap Siding Profile for TruExterior® Siding & Trim
HOUSTON, February 16, 2026--Westlake Royal Building Products™ ("Westlake Royal"), a Westlake company (NYSE: WLK), is expanding its line of TruExterior® Siding & Trim with the addition of a 5/8" Lap Siding profile. The new profile combines the coveted appearance and shadow lines of traditional lap siding with the high-performance attributes of TruExterior’s poly-ash material. It has a true 5/8" butt and a sought-after aesthetic that mimics real cedar.
About this update from Westlake Corporation
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