... : Q345B,Q235BColumn&Beam: Welded or Hot rolled H-sectionWall&Roof: EPS, Rockwall, PU sandwich ,corrugated steel sheetDoor: Rolled up door or ... -tapping nails. Also we can use rock wool, glass wool, EPS sandwich panels.9. Doors and windows can be designed at ... and wall panelsingle colorfull corrugated steel sheet,sandwich panel with EPS, ROCK WOOL , PU etc insulation8.Window and doorPVC or Aluminium ...