Ventilation flaps for wooden and wood-metal-windows



  • Climate category 3c, 3d, 3e
  • Thermal insulation values up to 0,2 W/m²K
  • Airborne sound insulation values up to 28 dB
  • All types of real wood veneers available
  • All-round finger-jointed laminated wood edge band
  • Various types of wood available
  • Good mounting options
  • Retain their shape and dimensions
  • Problem-free surface finishing





The following services are included in the square metre price:

  • Preassembled, custom-made according to the desired length, width and profile thickness
  • Circumferential solid edge band
  • Delivered picked to order
  • No waste, machine, labour and storage costs


The following additional services can also be commissioned:
  • Edge banding possible
  • Additional wood inserts freely selectable
  • Special processing such as cut-outs, ventilation slots or surface grooves are also possible
  • Special designs possible



Product description:


Surfaces Untreated, priming film, real wood veneer, primed
Cover panels Plywood panel AW100, rockpanel
Insulation PUR rigid foam, 32 kg/m³
Edge band Finger-jointed laminated wood
Thickness 40 to 112 mm
Sizes Plywood: 500 x 200 to 2988 x 1294 mm
Rockpanel: 500 x 200 to 3038 x 1194 mm


The Frinorm standard ventilation flaps fulfil the requirements of climate categories 3c, 3d and 3e, and reach thermal insulation values of up to 0.2 W/m²K and airborne sound insulation values of up to 34 dB. They are available with a plywood panel AW100, untreated, with primer foil or real wood veneer in all types of wood, or with a rockpanel board. PUR rigid foam, 32 kg/m³, is used for thermal insulation. The ventilation flaps are fabricated with a circumferential finger-jointed laminated wooden edge band. Special edge bands can be inset according to your requirements.