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| Ventilation Options |
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Mardome
rooflights can provide an excellent source of ventilation. By
linking them into 'Building Environment Management systems'
they can help to regulate the temperature and humidity within
the building.
To ensure a pleasant, healthy environment within a building
the relationship between insulation, heating and ventilation
must be correct. Minimum acceptable levels for both insulation
and ventilation are included in parts L and F of the Building
Regulations. Mardome rooflights offer a number of options giving
customers the opportunity to choose the most appropriate ventilation
for their building. |
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Automatic Venting Domes
Typically, this Mardome option functions as part of a smoke clearance
system but it can also be configured to operate both automatically
as part of an environmental management system (connected to internal
temperature or humidity sensors) or manually (eg. via a wall mounted
switch) to provide natural ventilation. When incorporated as part
of a smoke clearance system the actuator, which operates on a 24V
DC supply, opens the dome to 90° to facilitate the maximum possible
ventilation. Battery backed power packs are available to maintain
the supply to the actuator in the event of mains power loss. |
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Ventilation/Access Domes
To gain entry onto the roof either for maintenance purposes or as an emergency exit the dome is held open at nearly 90º by two telescopic stays.
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Background Ventilation
Background ventilation can be achieved by fixing either the permanent
or hit and miss vent adaptors onto the kerb above the waterproofing
membrane. These frames have two 4000mm² ventilation slots which,
when opened, permits a natural air flow in either direction. Mardome
Premier have louvre vents the full length of all 4 sides, as standard.
An Automatic Humidity Control vent option is available on Mardome
Ultra, Surefit and Trade. Automatically controlled by humidity-sensitive
strips the Automatic Humidity Control vent opens and closes in response
to individual room humidity levels. This ventoption requires no
electricity supply.
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