Signabond is our strongest, most rigid panel. It sports a slightly thicker Aluminum skin, .30mm, strong, rigid,  extremely durable, resists corrosion (anti-corrosion and primer treatments to both aluminum sheets), impervious to water and most chemicals, excellent ultraviolet (UV) ray protection, withstands extreme outdoor conditions, its light weight makes installations easier,  fabricated and mounted using everyday tools, no pre-treatment necessary for paint or graphics, surface resists scratching, easily cleaned, long life span, and  affordable. Available in 3mm panels.