Home / Materials / Brands / Westlake Royal Building Products — TruExterior

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
TruExterior Trim	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.