Suitable for flat roofs, the VCM manually operated skylight provides comfort and energy savings of free daylight and natural ventilation.

Product Features: 

  • Maintenance free – White PVC interior frame for a tough interior finish
  • High Performance double glazing as standard; with NEAT™ coating to reduce cleaning frequency.
  • Includes removable insect screen
  • Outer aluminium cappings (grey)
  • Available in 7 sizes
  • Operated by winder handle for within-reach situations or by rod for out-of-reach use. (sold separately)
  • Requires custom-made flashing (not supplied by VELUX)
  • Approx 75% heat block

From $1080 incl. GST

flat roof manual skylight

Technical Performance

flat roof skylight pitch
Manual Skylight Sizes Grid - Flat Roof
U-value †

Solar Heat Gain
Co-efficient †

WERS max 5 stars
(summer rating)
Skylight 2.90‡
Glass only 1.93
Skylight 0.24
Glass only 0.28
AS4285#, AS1288
AS3959^, AS1530.8.1*


NB: VELUX recommends VCM is installed with a slight pitch (e.g. 3°-5°) to help prevent condensation build-up and water ponding on the glass.  U-value (W/m²K) and SHGC data based on AFRC simulations, (VCM complete skylight: size 1275mm x 1275mm). ^Skylight tested in closed position, additional mesh protection may be required for opening apertures (consult local council). Roof pitch 0°-60°. #Cyclone test not performed with screws provided, installation requires #8 roofing screws. *Assessed in closed position. 
BCA 2013 Vol 1 & 2 regulations (Prevention of Falls from Windows - Balustrades & Barriers): contact VELUX for information relating to restrictor devices for within-reach
opening skylights.
flat roof opening cross section
‡VCM must be installed with insulation and Gyprock, as shown (typical installation), to achieve 2.9 U-value rating.

1. Inner glass dimension
2. Internal lining eg: Gyprock
3. Timber base / upstand
4. Flashing
5. Insulation / thermal blanket
6. Inner throat dimension
7. Overall throat dimension

Rod Controls

ZCT 300 | Extension Rod Control

ZCT 300 Telescopic Rod Control

Extends between 145-285cm

ZCT 032 | Short Rod Control

ZOZ 032 Short Rod Control

For use when a VS Skylight is just out of reach

VCM manual flat roof skylight handle

ZZZ 212 Winder Handle

For use when a VCM is installed within reach