Weather Protection Grid for Ventilated Wall Systems Type L.033

Aluminum extruded profiles for light loads, with a louvre distance of 33,3 mm. Normally used for small surfaces, round and other special shapes.

Can be manufactured on special request, according to your own dimensions, Delivery in 3 weeks



Aluminium extruded profils












 rotec - Louvre type L.033  


Ventilated Wall Systems - louvre type L.033


Ventilated Wall Systems - louvre type L.033




Louvre Distance                       33,3 mm
Louvre Depth                           20,4 mm
Louvre Height                           37,5 mm
K-Factor                                  19,04
Optical Free Cross Section       59 %
Physical Free Cross Section     44 %
Maximum span between
2 louvre holders                        800 mm  

Aluminium extruded profile for light loads, with a louvre distance of 33,3 mm. Normally used for smaller surfaces and round or special shaped ventilation grids.

Aluminium extruded profile according to ISO EN 573-3
Alloy ISO EN AW-6063

Anodized (20 Micron) EV-1 and EURAS color choices C31-34
Polyester powder coating ( 60 - 70 Micron) - for all RAL colors

Mounted to the back of the load bearing structure.

The louvres can be bent - minimum radius of 800 mm
First louvre L.033.02, for a neat and clean top end connection is available.
(Can not be bent.)
Shortened end louvre L.033.04 and lengthened end louvre L.033.03 also available for optimal bottom end connection.
Could be used in conjunction with a block louvre L.033.05.

It`s possible for installation in doors.

Ventilated Wall Systems - louvre type L.033

Single Holder: Type L.033.11
Double Holder for thermal expansion: Type L.033.12
(Join piece for 2 louvres)

  Ventilated Wall Systems - louvre holders

For further information, please contact  :

Mr. Jacob v. Bremen

Phone : +49 30 789 039 42


Fax : +49 30 789 03990


e-mail :

To AnfrageformularEnquiry

Note: Any losses due to technical changes and errors can not be accounted for 08/03