Westlake Royal Building Products ™ (“Westlake Royal”), a Westlake company (NYSE: WLK), is introducing four new gable vents to its Mid-America® line of exterior siding accessories.

Resistance to color changes after accelerated weathering tests using UV light and heat to mimic exposure siding would encounter on an actual home. The Royal Royal Crest D45D is part of the Siding ...

HOUSTON, March 17, 2025--(BUSINESS WIRE)--Westlake Royal Building Products ™ ("Westlake Royal"), a Westlake company (NYSE: WLK), is introducing four new gable vents to its Mid-America ® line of ...