1. 68 mm construction-depth
  2. 5 chambers
  3. system of border gaskets
  4. a variety of battens for glass
  5. up to 40 mm for glass installation
  6. a variety of sash

 

 

 

 

 

 

 

 

  1. profile with smooth flat surfaces
  2. standard battens for glass

 

 

 

 

 

 

 

 

 

  1. profile with smooth flat surfaces
  2. custom battens

 

 

 

 

 

 

 

 

 

  1. custom sash D6
  2. custom battens