ALT VR26 Ventilation louvers

ALT VR26 Ventilation louver system is an aesthetic and stylish solution that ensures ventilation in buildings.

This system is made of horizontal louvers with spacer inserts.

Curved shape of louvers ensures effective room ventilation and protects against moisture. In addition, ventilation louvers protect from direct sunlight.

26 mm Internal visible profile width
26 mm External visible profile width
glass beads (when integrated into frames), clamp bar and decorative cap (when integrated into system) Type of fastening
50% Optically free distance between louvers
40% Physically free distance between louvers
50 mm Louver installation increment
10 mm Louver overlap
134х134 mm Min. dimensions of the system
1 600х1 600 mm Max. dimensions of the system
Fabrication benefits
  • Technological effectiveness of product assembly. 4 screws are sufficient to assemble the finished system.
  • Simple mounting and dismantling. The system can be used as infill unit in frame and curtain wall systems.
  • Cost-efficiency. No additional maintenance required.
powder coating


  • any RAL-colour according to Qualicoat;
  • exclusive collections (Futura, Precis, Anodic);
  • variety of surface types (glossy, matte, textured);
  • innovative antimicrobial BIO-coating option.


  • conformance to Qualanod standard;
  • 9 standard colours;
  • possibility to choose different surface treatments (chemical etching, bead blasting, brushing).
wood-grain effect


  • conformance to Qualicoat standard;
  • 5 woodgrain options.