... 2.Perfect water proof and drainage: 3.Long life time Wall Panel materials:1. Structure:a) Upper and lower layer: uses ... customized size)3. Thickness: 40mm, 50mm, 60mm, 75mm, 80mm, 100mm, 125mm, 150mm, 175mm,200mm, 225mm, 250mm4. Length: depending on the design ... for industry warehouse, workshp.Pls see below photos: ISO EPS wall sandwich panel