• Put smoke alarms at both ends of a bedroom hallway or large room if the hallway
or room is more than 9.1 m (30 feet) long.
• Install Smoke Alarms on sloped, peaked or cathedral ceilings at or within 0.9 m (3
ft) of the highest point (measured horizontally). Smoke alarms in rooms with ceil-
ing slopes greater than .3 m in 2.4 m (1 foot in 8 feet) horizontally shall be located
on the high side of the room. A row of detectors shall be spaced and located
within 0.9 m (3 ft) of the peak of the ceiling measured horizontally (see Figure 3).
MOBILE HOME INSTALLATION
Modern caravans and mobile homes have been designed and built to be energy effi-
cient. Install smoke alarms as recommended above (see Figures 1 and 2).
In older caravans and mobile homes that are not well insulated compared to present
standards, extreme heat or cold can be transferred from the outside to the inside
through poorly insulated walls and roof. This may create a thermal barrier which can
prevent the smoke from reaching an alarm mounted on the ceiling. In such units,
install the smoke alarm on an inside wall with the top edge of the alarm at a mini-
mum of 10 cm (4”) and a maximum of 30.5 cm (12”) below the ceiling (see Figure 1).
If you are not sure about the insulation in your caravan or mobile home, or if you
notice that the outer walls and ceiling are either hot or cold, install the alarm on an
inside wall. For minimum protection, install at least one alarm close to the bedrooms.
For additional protection, see SINGLE FLOOR PLAN in Figure 2.
WARNING: TEST YOUR SMOKE ALARM OPERATION AFTER MOBILE HOME HAS
BEEN IN STORAGE OR UNOCCUPIED AND AT LEAST ONCE A WEEK DURING USE.
Smoke Alarms for Minimum Protection
Smoke Alarms for Additional Protection
Ionisation Type Smoke Alarms with
Hush
®
Control or Photoelectric Type
FIGURE 2
FIGURE 3
FIGURE 1
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