Firestone Building Products Co. LLC now offers UNA-CLAD Delta Concealed Fastener Panels in seven different perforated patterns with various hole sizes. There are 11 Delta Series concealed fastener panel profiles available in 20-gauge steel and 0.04-inch aluminum. Perforated UNA-CLAD Delta Concealed Fastener Panels are designed to be decorative accents and can be used on interior and exterior of a facility. Steel options are only recommended for interior use.
