SMD-426, SMD-427
22 D-302758
Figure 3. Locations for Placing Smoke Detectors in a Single Residence with only One Sleeping Area
• Install a smoke detector inside every room where one sleeps with the door partly or completely closed, since
smoke could be blocked by the closed door and a hallway alarm may not wake up the sleeper if the door is
closed.
Figure 4. Locations for Placing Smoke Detectors in Single-Floor Residence with More than One Sleeping Area.
Figure 5. Placing Smoke Detectors in a Multi-Floor Residence
• Install basement detectors at the bottom of the basement stairwell.
• Install second-floor detectors at the top of the first-to-second floor stairwell.
• Be sure no door or other obstruction blocks the path of smoke to the detector.
• Install additional detectors in your living room, dining room, family room, attic, utility and storage rooms.
• Install smoke detectors as close to the center of the ceiling as possible. If this is not practical, put the detector
on the ceiling, at least 10 cm (4 inches) away from any wall or corner, as shown in Figure 6.
• If ceiling mounting is not possible and wall mounting is permitted by your local and state codes, locate the
detectors between 10 - 15 cm (4 - 6 inches) from the ceiling, also see Figure 6.
• If some of your rooms have sloped, peaked, or gabled ceilings, try to mount detectors 0.9 meter (3 feet)
measured horizontally from the highest point of the ceiling as shown in Figure 7.
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