lamellar hood LHED

The square lamellar hood is an outdoor and exhaust air hood,
the design blends harmoniously with contemporary architecture,
inside equipped with a bird screen.

Painting in all RAL standard colors possible,
mounting on a roof base or insulated roof passage,
the lowest slat extends 50 mm above the base.
Rectangular formats are available on request,

the following formula is used to determine the free transversal recess:
Fa = 2 x (A + B – 0.2) x (n – 2) x 0.05 [m2] Insert A and B in [m].
In order to prevent moisture from being drawn in when outside air is drawn in,
the air velocity in the free cross-section must not exceed 2 [m/s].

You can find further roof attachments and suitable roof ducts with our configurator at: rooftop.rokaflex.de