Most shingle manufacturers void their warranties if roof venting standards aren’t met. Building codes generally require 1 sq. ft. of vent area for every 300 sq. ft. of attic floor. That assumes ...

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 ...