Sprinklers Required On Outdoor Roof Decks

Sprinklers can be omitted from several exterior spaces as well.

Sprinklers required on outdoor roof decks.

The roof saver sprinkler kit is an exterior fire prevention system designed to wet roofs gutters decks surrounding trees and shrubs making these fuels less susceptible to ignition. This soaking of the roof and landscape also releases moisture into the air lowering ambient temperatures and increasing humidity levels. Understanding that the ibc states that the building area includes areas not bounded by walls but with a roof over the area shall be included in the fire area and that an a 2 occupancy is required to be sprinklered per 903 2 1 2. An assembly occupancy on an occupied roof that exceeds an occupant load of 100 for group a 2 occupancy and 300 for all other group a occupancies requires all floors between the occupied roof and level of exit discharge to be equipped with an automatic fire sprinkler system except for open parking garages built with type i or type ii construction.

Roof top sprinkler systems fact. In addition to the ham lake results there are plenty of success stories where am exterior sprinkler system has protected a house from burning. If over 5000 sq ft or with an occupant load of 100 or more we have 124 and if the are is located on a floor other than the level of exist discharge we are open to the outside grade plane ibc section 903 3 3 1 1 nfpa 13 sprinkler systems. Canopies balconies decks roofs and porte cocheres that are constructed of noncombustible materials limited combustible materials or fire retardant treated wood need not have sprinkler protection.

You can read about two such examples of eave sprays and roof sprinkler systems that saved homes in the 2003 cedar fire in san diego and the 2018 camp fire in paradise. Local fire agencies agree that the only time a sprinkler system on the roof may be advisable is if you have a combustible wood roof. Firesafe marin recommends that you replace any wood shake roof with a fire sesistant type a roof assembly but until that happens your house is the rare case a sprinkler might be helpful.