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Low profile, horizontal strip, adjustable flap ventilator for windows or doors.

  • Enables secure, weather resistant ventilation with exclusion of insects. Equivalent area (maximum): 10,435 mm²/m. Five intermediate settings.
  • Suitable for insertion into glazing aperture of double glazed windows or doors. Not suitable for use on sliding windows or doors.
  • Choice of unit to suit glass thickness.
  • 23.7 mm projecting outer profile with radiused and weathered top surface.
  • 23.6 mm projecting inner profile with radiused flap, adjustable to direct internal air upwards for draught avoidance.
  • Suitable for aluminium, PVC-U, wood or composite frames.
  • Watertight in closed position to wind pressure 650 Pa.
  • Windtight in closed position to wind pressure 650 Pa.
  • Thermally broken.
  • Choice of manual, cord or rod operation.
  • Unit width (maximum): 2.5 m, made to measure.
  • Acoustic attenuation (open/ closed): 27/ 37 dB, to EN ISO 140 and EN ISO 717.

General information




Uniclass 2015

Pr_30_59_57_58 Overhead ventilatorsPrimary


H11/110 Curtain walling

L10/10 Wood windows

L10/15 Wood windows

L10/20 Steel windows

L10/210 Wood windows

L10/25 Aluminium windows

L10/250 Wood windows

L10/260 Wood windows

L10/30 PVC-U windows

L10/31 PVC-U windows

L10/315 Steel windows

L10/33 Proprietary windows

L10/330 Aluminium windows

L10/335 Aluminium windows

L10/350 PVC-U windows

L10/360 PVC-U windows

L10/380 PVC-U windows

L10/390 Proprietary windows

L10/410 Composite windows

L20/25 Wood panelled doors

L20/250 Wood panelled doors

L20/270 Wood doors

L20/30 Wood doors

L20/430 Wood doorsets

Specification data - Overhead ventilators

Product Reference

Window Trickle Ventilator TC45




Equivalent glazing thickness

20 mm

24 mm

28 mm

Visible aperture width

___ mm

Delivered cut to size.


1, manual, toggle at ventilator

2, manual, cord

3, manual, twist rod

Location (viewed internally)



Transom (w x d)

Not required

35 x 20 mm

35 x 28 mm

62 x 20 mm

62 x 24 mm

62 x 28 mm

Finish (aluminium components)

Anodized, natural

20 µ.

Polyester powder coating, RAL colour ___, sheen ___ %

60–70 µ.

Polyester powder coating, Syntha Pulvin colour ___, sheen ___ %

60–70 µ.

End caps



Special colour ___

Special order. Consult supplier.

Standard product features


  • Aluminium alloy: AlMgSi 0.5 to DIN 1748.
  • PVC-U: Colour: RAL 9016 (white).
  • Plastic endcaps: ASA polymer (Acrylonitrile Styrene Acrylate).


  • Overall unit height: 60 mm.
  • Glass reduction: 45 mm.
  • Visible height: 45 mm.

Glazing gasket:

049 - Glass thickness 20–28 mm. Black.

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