Polytherm membrane Natural ventilation

Polytherm membrane
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Polytherm membrane

A reliable, insulating and transparent system!

  • Offering 2 or 3 distinct ventilation stages
  • Automatic, simple and without pulley
  • Silent, economical and no maintenance
  • Single opening reaching 6 feet (1.8 meters)
  • Made of clear U.V. treated polyethylene garanteed 5 years

A large opening rigid system!

  • Opening reaching 12 feet (3.6 meters)
  • Offering 4 or 6 distinct ventilation stages for more precision
  • More rigid and safe frame due to the solid permanent center
  • Central support piece designed to provide rigidity without obstruction
  • Higher stability of membranes when high winds occur to extend duration
  • Possibility of remplacing only 1 section if broken instead of entire wall