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Westlake Royal Building Products — TruExterior

Westlake Royal manufactures TruExterior poly-ash siding, trim, and beadboard products; the historical BML records use the former Boral Composites name.

Listing health: 3 listed. Soonest expiry: 2027-06-30. Statuses derive from the live program data by a published rule.

Manufacturer site

Product record	Status	Expires
TruExterior® Beadboard soffit and porch-ceiling panels	Listed	2027-06-30
Boral TruExterior® Siding in profiles Channel Bevel, V-Rustic, Cove/Dutch	Listed	2027-06-30
Boral TruExterior® Trim 5/8" to 1-1/2 " thick and widths ranging from 1-1/2" to *15 1/2" a	Listed	2027-06-30

Sources

2025 OSFM WUI Listed Products Handbook — CAL FIRE OSFM (official). Accessed 2026-08-23.
TruExterior siding, trim, and beadboard — Westlake Royal Building Products (manufacturer). Accessed 2026-08-25.