Ventilation grille for frame installation
rotec Berlin manufactures ventilation grilles for frame installation in special sizes from Renson louvers 414, 414VA, 415, 415VA, 424, 428, 483, 484, 494, 425GL, 427GL thermally separated and opaque grilles in express service. rotec delivers on working days, ventilation grilles for frame installation and roof hoods for lift smoke extraction to the greater Munich area, Stuttgart, Cologne, Leipzig, Hamburg, Frankfurt, Dortmund, Saarbrücken, Essen and Düsseldorf. rotec delivers twice a week ventilation grilles for frame installation and lift hoods to Switzerland, Austria, Luxembourg and Poland.
Upon request, we offer worldwide measurement and installation service.
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rotec ventilation grille team Berlin
Ventilation grille frame installation W414
rotec ventilation grilleW 414 for night cooling, optical free cross-section 59%, physical free cross-section 45%, made of aluminum profiles AlMgSi 0,5, (according to EN 12020-2) with insect screen made of stainless steel
Ventilation grille meterable W414 VA
Metering ventilation grille W414 for frame installation. Blade spacing 33.3 mm, clamping thickness: 24, 28 or 32 mm. Can be metered in combination with 100, 130 and 150 mm ventilation slides or with insulated aluminum door (W414/D) (max. size 800 x 800 mm H). Operable optionally with rotary knob, linkage, pull cord and motor.
Thermally separated ventilation grilles
Thermally broken ventilation grille for frame installation W414TF. Made of aluminum profiles AlMgSi 0,5 (according to EN 12020-2). Thermal insulation panel made of rigid polyurethane foam, lamella spacing 33 mm. Optical free cross-section 59%. Installation like double glazing
Opaque ventilation grille W415
Opaque ventilation grille W415 with poke protection and stainless steel insect screen. Made of aluminum profiles. Louvre spacing 20 mm. Optical free cross-section 93%, physical free cross-section 39%. Installation like double glazing
Ventilation grille frame installation W415VA
Meterable aluminum ventilation grille with V-blades for frame installation with stainless steel fly screen. Blade spacing 20 mm, clamping thickness 24, 28 or 32 mm adjustable in combination with 100, 130 and 150 mm, ventilation sliders or with insulated aluminum door (W415/D), minimum dimensions 200 x 130 mm. Can be operated optionally with rotary knob, linkage, pull cord and motor
Ventilation grille frame installation W424
Aluminum ventilation grille with poke-proof Z-blades for frame installation W424, with stainless steel insect screen, medium-heavy design, blade spacing 50 mm, clamping thickness 24 or 28 mm, optical free cross-section 70%, physical free cross-section 49%.
Ventilation grille frame installation W428
Ventilation grille W428 with V-blades, poke-proof, medium-weight version with stainless steel fly screen, blade spacing 33.3 mm, clamping thickness 24 or 28 mm, optical free cross-section 59%, physical free cross-section 43%. Made of aluminum profiles AlMgSi 0,5 (according to EN 12020-2), silver color (E6/EV1) - bronze color (E6/C34) (20 microns) anodized or powder coated according to RAL
Ventilation grille frame installation W483
Ventilation grille with high airflow, louvers spacing 60 mm, optical free cross-section 90%, physical free cross-section 76%, made of aluminum profiles AlMgSi 0,5 (according to EN 12020-2), insect screen made of stainless steel. Silver color (E6/EV1) - bronze color (E6/C34) (20 micron) anodized or powder coated according to RAL color shades (60-80 micron
Ventilation grille frame installation W484
Ventilation grille frame installation W484, medium-duty design, blade spacing 50 mm, optical free cross-section 70%, physical free cross-section 60%. Grille with horizontal fixed extruded ALU weather louvers. Clamping thickness 24 or 28 mm. Metering type W484/VA - same construction as type W414/VA.
Ventilation grille frame installation W494
Aluminum ventilation grille with storm protection for frame installation, louver spacing 33 mm, optical free cross-section 57%, physical free cross-section 26%. Made of aluminum profiles AlMgSi 0,5 (according to EN 12020-2) with stainless steel insect screen. Silver color (E6/EV1) - bronze color (E6/C34) anodized or powder coated according to RAL.
Ventilation grille frame installation W425GL
Ventilation grille for frame installation W425GL heavy duty, louver spacing 95mm, optical free cross section 86%, physical free cross section 55%, Made of aluminum profiles: AlMgSi 0,5 (according to EN 12020-2) insect screen made of stainless steel 304. silver color (E6/EV1) - bronze color (E6/C34) (20 micron) anodized or powder coated according to RAL colors
Mounting ventilation grille for frame installation


Downloads ventilation grille frame installation
The following PDF files are available for download for the ventilation grilles for frame installation shown here:
Ventilation grille for frame installation
- W414 [263 KB] rotec aluminum ventilation grille for night cooling, physical free cross section 45%,
- W414VA [150 KB] rotec aluminum ventilation grille, meterable, physical free cross section 45%,
- W414HF [166 KB] rotec aluminum ventilation grille with thermal break, physical free cross section 49%.
- W415 [128 KB] rotec aluminum ventilation grille with poke protection, physical free cross section 39%.
- W415VA [127 KB] rotec aluminum ventilation grille with V-blades, meterable
- W424 [122 KB] rotec aluminum ventilation grilles with poke-proof Z-blades, physically free cross-section 43%.
- W428 [108 KB] rotec aluminum ventilation grilles with poke-proof Z-blades for data centers
- W483 [106 KB] rotec aluminum ventilation grille, medium weight design, physical free cross section 43%.
- W484 [103 KB] rotec aluminum ventilation grille, medium weight design, physically free cross section 60%
- W494 [132 KB] rotec aluminum ventilation grille with storm protection, physical free cross section 26%.
- W425GL [102 KB] rotec aluminum ventilation grille with movable blades, physical free cross section 55%.
- W427GL [111 KB] rotec aluminum ventilation grille with movable blades, heavy duty, physical free cross section 53%.