You can mount them vertically, but they have to be installed 4-12 inches (spacing usually on the instructions) from the ceiling. So it might be better to put in on the column than the beam, depending on how large that beam is.

Can smoke alarms be installed vertically?

Tray Shaped Ceilings: Smoke alarms or smoke detectors shall be installed on the highest portion of the ceiling or on the sloped portion of the ceiling within 12 in. (305mm) vertically down from the highest point.

Do smoke detectors need to be horizontal?





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 ceiling 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.

Do smoke detectors have to be ceiling mounted?

Smoke alarms should be mounted in or near bedrooms and living areas, either on the ceiling or the wall. Ceiling mounting it is typically preferred as it allows the smoke alarm to be placed more centrally in the room.

Can duct detectors be mounted vertically?

Mounting the detector housing in a vertical orientation is acceptable provided that the air flows directly into the sampling tube holes as indicated in Figure 3.

What is the proper placement of smoke detectors?

According to the NFPA, smoke alarms should be placed in every bedroom, outside each sleeping area and on every level of your home. In addition, industry experts recommend having both photoelectric and ionization alarms for optimal protection against flaming and smoldering fires.

What is the maximum mounting height of a smoke detector?





Said another way, it is good design and installation practice to never install a spot-type smoke detector on ceilings greater than 15 feet. Any application above a 15-foot ceiling height would require, at a minimum, the linear beam smoke detector.

What is the NEC code for smoke detectors?

Remember, single-station 120-volt smoke alarms are covered by NEC Article 210. These smoke alarms are subject to the requirements for AFCI protection, whereas the low-voltage fire alarms covered by NEC Article 760 are not.