Dust Proof ASA Synthetic Resin Roof Tile Rice Mill Roof for Milling Hall Cover A rice milling hall holds fine bran dust in the air, and a roof face that traps that powder becomes a fire and hygiene problem above every huller. Product name HENCING ASA synthetic resin tile Product color Brick Red, Purplish Red, Dark Green,Bule,Grey Length Customized Product thickness 2.5mm/2.8mm/3.0mm Product hight 30mm Pitch distance 160mm Efficiency 960mm Profile 1050mm Product Overview