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Optical property

Optical property

Glare problem

Glare problem

Heat problem in summer

Heat problem in summer

Solar heat gain in winter

Solar heat gain in winter

4 seasons reinforced thermal insulation film for windows

Better thermal insulation and lower energy costs



The application of a 4-season film with a low-emissivity coating improves the thermal insulation of existing glazing at a much lower cost than replacing joinery. The particularity of a low emissivity is that it can reflect the infrared emitted by the heating systems towards the interior of a room.
It is thus possible to improve the U value of single glazing (4mm) or reinforce the U value of double glazing (4/16/4)

Active filters

Low emissivity neutral medium

kryo 20N IN SR CDA

Kryo 20 N

  • Category : 4 seasons
  • Type : Semi-reflective
  • Shades : Neutral bronze
  • % Light transmission : 28%
  • % Light reflection - outside : 36%
  • % Total solar energy rejected : 73%
  • Emissivity : 0,32

Low emissivity neutral light

kryo 50N IN PR CDA

Kryo 50 N

  • Category : 4 seasons
  • Type : Low reflection
  • Shades : Neutral bronze
  • % Light transmission : 51%
  • % Light reflection - outside : 22%
  • % Total solar energy rejected : 56%
  • Emissivity : 0,40