Installer FAQs
VELUX Top-Hung Roof Windows
What are they suitable for?
This range of roof windows are the preferred
installation for loft conversions, providing
uninterrupted views and a means of a fire
escape. Suitable for roof pitches between 15°
and 55° and can also be suitable for pitches
between 55° and 75° with special springs.
Please specify when ordering
How to operate for cleaning
For ease of cleaning, the roof window has centre-pivot functionality to easily rotate 180° and allow cleaning of the outer
glass.
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How to engage the springs
In order to engage the springs, you must open the roof window fully to access the spring.
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How to disengage springs
Springs can easily be disengaged with the help of a flat head screwdriver. Ensure to support the weight of the sash when activating/deactivating springs.
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How to engage the vent flap
To engage the ventilation flap, locate the one side of the headlock that is not engaged. Lift the headlock arm upwards away fromthe console clip and pull forwards. Once the headlock arm is pulled
forward, close the ventilation bar fully.
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VELUX Centre-Pivot Roof Windows
What are they suitable for?
This range of roof windows are the preferred installation for extensions, providing full control and daylight for out-of-reach operation. Suitable for roof pitches between 15° and 90°.
How to exchange the vent flap
All VELUX roof windows have a 10 year guarantee. Over the lifetime of the roof window, parts may begin to wear out. Exchanging a ventilation flap couldn’t be simpler.
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Installations
Cut out size
Regardless of the roof
window size, you will
need to cut the hole
in the roof 40-60mm
bigger than the roof
window for standard
installations and
50-60mm bigger for
recessed installation to
allow for insulation.
BDX Collar
The BDX Insulation Collar is
suitable for use with EDL/EDP
/EDT and EDW flashing kits
and comes complete with BFX
Underfelt Collar. It insulates
around the roof window
frame, reducing heat loss and
eliminating cold bridges, making
insulating and installing the
roof window a simple process.
Installing accessories
Installing blinds
The entire range of blinds are easy to install whilst on site, allowing homeowners to get the most from their roof window.
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Pairing VELUX INTEGRA® products
For even more control, homeowners can pair multiple roof windows to a single electrical controlfor full remote operation.
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