Alcotex is a lightweight material consisting of two .5mm (0.020") prefinished aluminum sheets bonded in a continuous process to a standard FR(fire-rated) core. There are over 30 standard colors to choose from and custom colors can also be produced. The material is available in three different thicknesses 3mm, 4mm and 6mm with 4mm being the typical thickness. Please review our website to get additional information about Alcotex. We look forward to hearing from you!! Contact us today at: sales@alcotex.com