Optiline roll-up grilles, narrow air outlets, ultra-sophisticated.


  • Roll-up grille profile can be used on both sides
  • Colour-matched plastic spacers
  • Excellent free area
  • Roll-up grille profile with narrower bar width that can be used on both sides
  • Colour-matched plastic spacers
  • Special appearance with narrow bar spacing, with 65 % free area
  • Available in many different materials and designs
  • "Optiline" has the right grille for every application
  • Double T-profile in aluminium or brass with a 9 mm bar spacing
  • Double T-profile in stainless steel with a 10.5 mm bar spacing
  • The following grille finishes are available:
    • Aluminium, natural anodised
    • Aluminium, brass anodised
    • Aluminium, black anodised
    • Aluminium, bronze finish
    • Aluminium, basalt grey painted DB 703
    • Aluminium, white painted
    • Brass, natural CuZn 44
    • Stainless steel, natural
    • Stainless steel, polished
  • Matching frames, with the same material and finish, are available for all grilles.
  • Roll-up grilles are stable, walk-on covers for underfloor trenches and trench heating, combining an elegant appearance with safety and durability.
  • For discerning customers in high-end residential and business properties
  • "Optiline" roll-up grilles stand out thanks to their ultra-narrow bar profile, yet maintain the same narrow bar spacing. This creates an attractive appearance and the right free area in terms of heat output.
  • The frames are factory-fitted with Katherm trench heating.

Many models of roll-up grilles, like the elegant "Optiline" roll-up grilles, can be used on both sides by turning them over, thereby significantly lengthening the service life of the grilles.


Yes, roll-up grilles can be shortened and also lengthened.


There are almost unlimited possibilities in this respect:

  • Recesses, especially to accommodate columns or posts
  • Curves
  • Mitres cut to different angles
  • Polygonal joints to the facade of the building

Download documents:

  Optiline - technical catalogue   (12.3 MB)
  Optiline - installation manual   (62.23 KB)