Made by slitting and stretching metal sheets to create diamond-shaped openings, McNICHOLS® Expanded Metal forms screens, window security panels and machine guards to name a few applications for this practical and versatile product line. In the decorative version of the product, shelving, signage, and ceiling tiles are among the most popular applications. Expanded Metal is supplied in a Standard (raised) diamond pattern or a Flattened diamond pattern. Grating and Catwalk Expanded Metals are also part of our wide range of selections available directly from inventory. Numerous gauges, opening sizes, materials, and sheet sizes are options that will surely fit your project requirements!