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.
Sprinkler system on roof of house.
These systems provide cooling by spraying the water evaporates and cools the surface.
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.
This soaking of the roof and landscape also releases moisture into the air lowering ambient temperatures and increasing humidity levels.
Areas where water is in short supply.
Some of the water evaporates which increases the relative humidity while reducing temperatures in the microclimate.
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.
The microclimate is the area right around where the sprinklers are located.
When rooftop sprinklers are activated they spray water high up in the air which lands on the roof trees and other surfaces that are within range.
A rooftop sprinkler system ember s guard is adapted to protect homes from falling embers in the case of a wildfire or bushfire.
It is also foreseeable that an owner can use the embers sprinkler system to wet the rooftop of houses on a hot day to cool down the house for general irrigation purposes or wet summer fun.