Wallner Expac

Strong, lightweight, and visually appealing, the purposes of expanded metal are to conceal, filter, enclose, protect, and decorate. Wallner Expac, a 100% employee-owned company and North America’s largest manufacturer of light gauge expanded metals for HVAC, also custom-manufactures standard and decorative expanded metals for use in many applications. Read more...

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Wallner Expac

The Readers Have Spoken. Wallner Expac wins its Third Readers' Choice Award and its second from Metal Architecture News. Read more...

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Wallner Expac

Strong, lightweight, and visually appealing, the purposes of expanded metal are to conceal, filter, enclose, protect, and decorate. Wallner Expac, a 100% employee-owned company and North America’s largest manufacturer of light gauge expanded metals for HVAC, also manufactures standard and decorative expanded metals for use in many applications. Read more...

More Product Announcements from Wallner Expac
Wallner Expac

MicroForm® Expanded Metal Micromesh for Lighting Strike Protection

Lightning strikes are inevitable, and for aircraft and wind turbines they are exceptionally dangerous. For specialized applications such as lightning strike protection, Wallner Expac manufactures its MicroForm® line of precision engineered micromeshes.

One purpose of expanded metal is to prote... Read more...

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Engineered Materials, a subsidiary of PPG's aerospace division

Engineers who want to maximize the performance of their end products need to source the best materials for manufacturing. From aircraft and battery manufacturers to automotive and microelectronics manufacturers, engineers are experiencing the benefits of utilizing expanded metals as a superior alternative to woven wire or perforated products. Read more...

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Engineered Materials, a subsidiary of PPG's aerospace division

A layer of open-area expanded foil is wrapped around the steel pipe being protected, and acts as a sacrificial anode to protect the less active metal (cathode). Zinc or aluminum alloys are common for this purpose. The effectiveness and useful life of the sacrificial anode depends on the metal being used, its volume and thickness, and the impressed current supplied. Read more...

More Product Announcements from Engineered Materials, a subsidiary of PPG's aerospace division
Engineered Materials, a subsidiary of PPG's aerospace division

Engineered Materials (Dexmet) manufactures open-area solutions in the form of expanded and perforated materials for energy storage applications. MicroGrid® foils are engineered to meet the requirements of your power application Read more...

More Product Announcements from Engineered Materials, a subsidiary of PPG's aerospace division