Ceiling Mounted Fire Alarm

Wall mounted detectors must be installed at least 4 inches from the ceiling to avoid this dead air zone.

Ceiling mounted fire alarm.

If you have vaulted ceilings dead air can also form at the apex. Mount smoke alarms high on walls or ceilings remember smoke rises. It should be obvious that if you follow this method of compliance you will either have an incorrect number of audible appliances or an incorrect number of visible appliances. Gentex was originally founded as a manufacturer of high quality fire protection products.

Our team had long recognized a need for better smoke detection. Wall mounted alarms should be installed not more than 12 inches away from the ceiling to the top of the alarm. If the ceilings are higher than 30 feet the strobes must be mounted on the wall. Most contractors install strobe lights to comply with the national fire alarm and signaling code by simply using a combination audible visible appliance everywhere one or the other is shown on the plans.

1609 park 370 place saint louis mo 63042. 5757 phantom drive suite 125 saint louis mo 63042. Edwards signaling manufacturers a complete line of audible and visual signals for industrial and commercial applications. Ceiling mounted fire strobes should not be more than 30 feet above the floor.

Fire alarm control panels flashing and steady led and halogen beacons and lights strobes vibrating horns and bells outdoor warning sirens public address and intercom systems led message centers and electronic system signals. The strobe is always located in the center of the coverage area. Wall mounted fire strobes must be placed 80 to 96 inches above the floor and at least six inches from the ceiling in all non sleeping areas. In 1974 a product was introduced that literally revolutionized the industry.

The world s first dual cell photoelectric smoke alarm. 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. A plan view of a ceiling mounted fire alarm notification device s coverage area shows that the coverage projects outward along the strobe s mounting surface at an equal distance on all sides creating the square coverage areas listed in nfpa 72.

Install the alarm at least 4 inches from the peak.