Ventilated cold roof system

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• Tech-seam standard roof system equipped with super strong profiled steel panel and polyurethane layer leaves a ventilated space between metal roof system and concrete layer, to achieve insulation purpose. Tech-s

  eam ventilated cold roof system is European style and suitable for Medium and small size concrete building roof of villas, communities and so on.

  
   

  ①Tech-seam roofing panel

  ②waterproof breathable membrane

  ③wood

  ④purline

  ⑤polyurethane insulation layer

  ⑥vapor control layer

  ⑦structural concrete