Smoke Alarm Spacing Attic

In addition no space on the ceiling is more than 0 7 x the detector s listed spacing in this case 21 feet.

Smoke alarm spacing attic.

Up to this point we have been working with square rooms but this is just as applicable to rectangular spaces as illustrated. Multi purpose combination carbon and smoke alarms may be used and shall comply with crc section r315. In existing dwelling units alarms are permitted to be solely battery operated where repairs or alterations do not result in the removal of wall and ceiling finishes or there is no access by means of attic basement or crawl space. Nfpa 72 offers two methods for spacing smoke detectors on smooth ceilings.

Traditional approach the first method is simply to provide detectors at their listed spacing often 30 feet center to center and within half the distance which is 15 feet to walls. Smoke alarms are not designed for garages and attics and are much more likely to fail than a heat detector. The detector is no more than one half its listed spacing from any wall measured at a right angle. If you want to provide additional protection for attic exposure the proper device is a heat detector.

A second alarm was called with units in route due to multiple rps stating smoke coming from the vents. A residence includes all dwelling units hotels lodging such as guest rooms and. I service thousands of smoke detectors every year and they should never be installed in an attic. Torrance fire department works a well established attic fire on the 3900 block of w 178th st.

If the attic space is broken into individual bedrooms ensure the smoke. There are reasons code does not require them in attics but code is a minimum requirement. The us fire administration fema recommends that you have a heat detector rather than a smoke alarm in your garage. Another location in a home where you should have a heat detector rather than a smoke alarm is the attic.