Smoke Alarm Spacing Attic

If the attic space is broken into individual bedrooms ensure the smoke.

Smoke alarm spacing attic.

Place additional attic smoke detectors on the finished ceiling as before installing one every 25 feet in an open space. Up to this point we have been working with square rooms but this is just as applicable to rectangular spaces as illustrated. I service thousands of smoke detectors every year and they should never be installed in an attic. In addition no space on the ceiling is more than 0 7 x the detector s listed spacing in this case 21 feet.

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. If you want to provide additional protection for attic exposure the proper device is a heat detector. The detector is no more than one half its listed spacing from any wall measured at a right angle. Multi purpose combination carbon and smoke alarms may be used and shall comply with crc section r315.

Another location in a home where you should have a heat detector rather than a smoke alarm is the attic. According to section 310 9 1 of the california building code all residences must have smoke detectors installed. A second alarm was called with units in route due to multiple rps stating smoke coming from the vents. Smoke alarms are not designed for garages and attics and are much more likely to fail than a heat detector.

The us fire administration fema recommends that you have a heat detector rather than a smoke alarm in your garage. 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. There are reasons code does not require them in attics but code is a minimum requirement. A residence includes all dwelling units hotels lodging such as guest rooms and.