Mount Fire Detector On Wall Or Ceiling
Mount smoke alarms high on walls or ceilings remember smoke rises.
Mount fire detector on wall or ceiling. The latter are what will hold the smoke alarm in place. To install a smoke detector in a suspended ceiling first take down the tile in which you ll be inserting the detector. Find the screws that came with the smoke alarm and the toggle bolts that go on the screws. Avoid corners where the walls meet the ceiling and where pockets of dead air sometimes form preventing rising smoke from reaching the detector.
Ceiling mounted smoke detectors should be mounted at least 6 inches away from where the ceiling meets the wall. Wall mounted alarms should be installed not more than 12 inches away from the ceiling to the top of the alarm. Wall mounted alarms should be installed not more than 12 inches away from the ceiling to the top of the alarm. If it needs to be mounted elsewhere on the ceiling it must be at least 4 inches from a wall.
Carbon monoxide often won t rise all the way up to the ceiling like smoke does until the concentration of the gas is at a critically dangerous level. When installing an alarm on the wall the top edge of alarms should be placed between 4 inches 100 mm and 12 inches 300 mm from the wall ceiling line. Figure a 29 8 3 1 from nfpa 72 national fire alarm and signaling code 2013. If you have ceilings that are pitched install the alarm within 3 feet of the peak but not within the apex of the peak four inches down from the peak.
Install detectors on or as near to the ceiling as possible. It only takes 10 min or less to install a ceiling mounted device that s from cutting the ceiling tile to snapping in the hanger bar for the electrical box and wiring the unit itself. Because carbon monoxide is slightly lighter than air and also because it may be found with warm rising air detectors should be placed on a wall about 5 feet above the floor. Ceiling mounted nac devices are faster and cheaper to install vs wall mounted devices that s the main reason you will see them used.
Mount the smoke detector on a wall at least 6 inches away from the ceiling but not more than 12 inches away keeping the detector away from the dead zone but high enough to detect the smoke since smoke rises. Wall mounted detectors must be installed at least 4 inches from the ceiling to avoid this dead air zone. Many smoke detectors are designed to mount to a ceiling but some can also be wall mounted when attaching to a ceiling isn t feasible. If you have ceilings that are pitched install the alarm within 3 feet of the peak but not within the apex of the peak four inches down from the peak.
In either case install the alarm at least 4 inches 100 mm from where the wall and ceiling meet. The detector may be placed on the ceiling. Do not place the detector right next to or over a fireplace or flame producing appliance.