Ceiling Mounted Fire Alarm

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.

Ceiling mounted fire alarm.

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 the alarm at least 4 inches from the peak. The strobe is always located in the center of the coverage area. Edwards signaling manufacturers a complete line of audible and visual signals for industrial and commercial applications.

Our team had long recognized a need for better smoke detection. Ceiling mounted fire strobes should not be more than 30 feet above the floor. The world s first dual cell photoelectric smoke alarm. Wall mounted alarms should be installed not more than 12 inches away from the ceiling to the top of the alarm.

Mount smoke alarms high on walls or ceilings remember smoke rises. Below ceiling below ceiling below ceiling below ceiling placement wall only wall or ceiling wall or ceiling wall or ceiling wall or ceiling visible signaling appliance requirements according to the adaag ada compliant visual alarms are not required in alterations except where an existing fire alarm system is. Wall mounted detectors must be installed at least 4 inches from the ceiling to avoid this dead air zone. 1609 park 370 place saint louis mo 63042.

In 1974 a product was introduced that literally revolutionized the industry. 5757 phantom drive suite 125 saint louis mo 63042. 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. Gentex was originally founded as a manufacturer of high quality fire protection products.

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. 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. If you have vaulted ceilings dead air can also form at the apex. 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.

Wall mounted alarms should be installed not more than 12 inches away from the ceiling to the top of the alarm.