One study indicates that water use is around 100 gallons per day per 1000 sqft of roof area.
Sprinkler system on roof of house.
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.
Some of the water evaporates which increases the relative humidity while reducing temperatures in the microclimate.
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.
Areas where water is in short supply.
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.
This soaking of the roof and landscape also releases moisture into the air lowering ambient temperatures and increasing humidity levels.
A rooftop sprinkler system ember s guard is adapted to protect homes from falling embers in the case of a wildfire or bushfire.
Prepare your home and property for bush fires in a bush fire many houses are destroyed through ember attack when burning twigs and leaves carried by the wind land on or around the house.
These systems provide cooling by spraying the water evaporates and cools the surface.