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Category: Electrodes and Electrode Materials
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About

Wallner Expac is a 100% employee-owned company and North America's largest manufacturer of light gauge expanded metals for HVAC filtration. Since our inception in 1959, we have evolved from a simple tool and die shop into a state-of-the-art, world class US-based manufacturing entity with facilities in Georgia, Texas, and headquarters in Ontario, California.

All our expanded metals are manufactured in our US-based plants for use many industries including Architecture, Solar, Batteries, Construction, Arts & Crafts, Home Improvement, Microfiltration, and of course, Filtration. We attribute our success to quality craftsmanship, a highly skilled work force, a dedicated management team, and our unyielding commitment to customer satisfaction.

(909) 481-8800 
www.EXPAC.com

 

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Technical Articles

Engineered for Strength and Safety: How Expanded Metal Offers Protective and Decorative Solutions for Solar Panels (Stock Fabricated Materials and Shapes) According to the Office of Energy Efficiency & Renewable Energy, since 2010, the average cost of solar PV panels has dropped more than 60% and the cost of a solar electric system has dropped by... (View Full Article)
Engineered for Strength and Safety: Providing Fall and Impact Protection for Skylights with Expanded Metal (Metals and Alloys) As new homes and businesses are constructed, skylights are a common rooftop addition. Industry experts say that skylights can lower electric lighting bills by one-third or more, and evolving building... (View Full Article)