Aluminium PU sandwich panel for roof

1). Aluminium PU Sandwich Panel It is mainly used for roof.

2).Structure of pu sandwich board:It consists of three layers: the outside layer is aluminum board; the core material is polyurethane foaming; the last layer is aluminum board.

3).Superior performance of pu sandwich board:Heat/thermal insulation, water proof, impact resistant, pressure resistant, fire proof, shockproof, light weight, easy to construct, variety appearance,environmental friendly. Etc.