Description
Construction
The brilliantly simple fixed, FCM skylight incorporates the VELUX High Performance double glazing unit and an all metal exterior frame. The smooth exterior gives not only a lower profile on the roof, but also provides a “cool” daylighting solution by effectively blocking heat build up and UV rays.
- Maintenance-free PVDF lacquered aluminium frame withstands the extremes of the Australian climate.
- Versatile positioning: most sizes can be used in portrait, landscape or even “diamond shape” orientation.
- Ideal replacement solution for Acrylic Domes.
High Performance Double Glazing
Benefits:
- Radiant heat block: Complete window Glass only
- UV Harmful rays block approx 99%
- WERS rating 5 stars
- Double layer of Low-E³ coating.
- 10 year warranty on insulated glass seal.
- Reduced cleaning frequency.
Australian Standard AS1288
Laminated glass (standard with VCS) must be used
for skylights installed 3m or more above floor level.
NEAT™ Photocatalytic Coating
- Silicone Dioxide/Titanium Dioxide coating reacts with the sun’s UV rays to decompose surface organic dirt before rinsing away with the next shower of rain, thereby reducing cleaning frequency.
- The coating also makes the glass surface smoother, so water disperses evenly, sheets off, and evaporates quickly; thereby minimising water spotting on the pane.
* VELUX recommends VCM is installed with a slight pitch (e.g. 3°-5°) to help reduce condensation build-up and water ponding on the glass.
** Winder handle and extension rods to be purchased separately. Details overleaf.
Preparation guide for custom-made flashing
Custom-made flashing required
The VELUX FCM flat roof skylight requires custom-made flashing (not supplied). VELUX can assist with technical advice and drawings for this type of flashing.
Ideal dome replacement
FCM SKYLIGHTS ARE IDEAL REPLACEMENTS FOR ACRYLIC DOMES.^
11 sizes are available to replace common acrylicdome sizes.
Important considerations
- VELUX FCM Skylights can be used for flat and low sloping roofs. The low profile external covering and glazing seal prevents water infiltration even at 0°. To help reduce water ‘ponding’ on the glass a slight pitch (e.g. 3°-5°) is recommended.
- VELUX FCM does not come with a flashing kit but can be used with a variety of curb flashings. Contact VELUX or a local flashing manufacturer for more information.
- Contact VELUX for information on blinds for FCM.
† FCM Skylights can be positioned in portrait, landscape or even ‘diamond-shape’ orientation, except for FCM 2270 which is recommended only for portrait applications.
^ Custom-made collar adaptor (not supplied) required to fit.
‡ Weight does not include flashing.
| AS4285 SKYLIGHT– Cyclonic and Non-Cyclonic Tests | |
| NT DTCM Pressure Ratings** | See individual size ratings overleaf. |
| AS1288 OVERHEAD GLAZING | Laminated inner pane |
| AS3959 BUSHFIRE | Attack Level 40^ |
| NCC BOUNDARY SEPARATION† | Class 1 and Class 10 buildings: Within 900mm of a boundary wall Class 2 to Class 9 buildings: 3 metres from a boundary wall^^ |
† CSIRO assessment report available on request. VELUX recommends consultation with relevant authority before work commences.
^ Bushfire testing applicable in roof pitch 0°-60°. Skylight only. Custom-made flashing required.
^^ Skylight cannot be closer than 3m unless the boundary is adjoining a road or public place. Consult NCC for futher details.
** Skylight must be installed in accordance with the engineering drawings, contact VELUX for more information.
VELUX Simulated Tests ††ASTM E822-2009.
†† ASTM E822-2009 standard practice for determining resistance of Solar Collector Covers to Hail impact with propelled ice balls. Hailstone test not performed on solar panel.
FCM Skylights have been energy rated in accordance with the Skylight Energy Rating Scheme (WERS).
Maximum 5 stars Summer Ratings
4.5 out of 5 stars for Winter Rating.
4.5 out of 5 stars for Cool Daylight in Summer.
| U-value (W/m2K) | Complete skylight 2.9‡ Glass only 1.93 |
| Solar Heat Gain Co-efficient | Complete skylight 0.28 Glass only 0.28 |
| Visible Light Transmittance | Complete skylight 0.61 |
| Luminous Efficacy (Ke = VT/SHGC) | Complete skylight 2.18 |
| Acoustic performance | Complete skylight 29dB# |
Figures generated by AFRC accredited simulators. Figures based on complete skylight: nominal size 1275mm (W) x 1275mm (H).
‡ See required installation method overleaf.
# Based on Rw value tested to AS1276.1.
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