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140 VELUX
9
Sun tunnel
VELUX sun tunnels are complete instal-
lation kits delivered with all necessary
components for both exterior and interior
connections. An installation kit consists of
three modules:
• Exterior rooight module
• Tunnel (exible or rigid)
• Interior light diuser unit
The sun tunnel directs the natural light
into areas of the house where installa-
tion of traditional VELUX roof windows is
either not possible or not appropriate. It is
recommended for corridors, storage rooms,
toilets etc.
The sun tunnel is available in two sizes, 010
(Ø 250 mm/10”) and 014 (Ø 350 mm/14”).
Installation of a sun tunnel requires access
to the attic. This does not apply to TCF that
is designed for flat roofs with a roof thick-
ness between 200 and 900 mm.
ROOFLIGHT MODULE
The choice of rooflight module depends on
roof pitch and roofing material:
- TCF for flat roofs, roof pitch 0°-15°. Made
of environmentally friendly PVC, with poly-
carbonate dome
- TLF/TLR for flat roofing materials such as
slates, roof pitch 15°-60°. 4 mm toughened
glass pane with clear and clean coating
and integral flashing made of lacquered
aluminium
- TWF/TWR for profiled roofing materi-
als, roof pitch 15°-60°. 4 mm toughened
glass pane with clear and clean coating and
integral flashing made of polyurethane
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