Connection Failure Ventilation Products and Accessories Air Vent SEMCO Construction Metals - Gibraltar
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Gibraltar is the largest manufacturer of ventilation products and accessories in North America, offering a comprehensive line of powered and static ventilation products for attics, foundations, and whole-house applications. We make roof, gable, ridge, powered, foundation, and under-eave vents to provide a truly balanced ventilation system that protects equally against summer heat and winter moisture. Three Gibraltar companies are available to serve a wide variety of needs.

Air Vent, Inc.
Dallas, TX
1-800-247-8368 (1-800-Airvent)


Construction Metals, Inc.
Jurupa Valley, CA


Fife, CA


SEMCO (Southeastern Metals Company)
Jacksonville, FL


Offers a complete line of products to meet the highest standards of quality and performance