As the water evaporates it cools the roof and helps to lower the temperature of the roof tiles and the ceiling cavity beneath it.
Sprinkler roof cooling system.
Apart from sprinkler heads hose outlets can be incorporated into the system when there is enough pump capacity hoses can then be attached and used to put out spot fires.
An evaporative roof cooling system is designed to reduce the temperature of a roof from 165 f to about 90 f.
They are simple and appear to be effective but would not be a good choice in areas where water is in short supply.
Published on mar 6 2015 installing permanent sprinklers on roof to protect against wildfire and bushfire.
Because it is designed to provide gentle water distribution over a large area it is a perfect means of keeping your landscape green and lush.
The idea is to be able to wet down all vegetation around house before fire front.
One study indicates that water use is around 100 gallons per day per 1000 sqft of roof area.
A roof sprinkler system is used to cover the property with water and at the same time can be designed as a fire fighting resource.
This effect creates an effect equivalent of r 7 roof insulation during the day.
On a hot summer day it will even provide natural cooling no need for an air conditioning system.
Heat is now transferred out of the building through the roof.
These systems provide cooling by spraying water on the roof surface.
The principle is similar to the way the human body cools itself with perspiration.
A rooftop sprinkler system is not just for fire protection.
Here is a some information on two roof sprinkler systems.
A rooftop sprinkler system ember s guard is adapted to protect homes from falling embers in the case of a wildfire or bushfire.
Ember s guard rooftop sprinkler system this multipurpose portable tool is primarily made to protect your property from ember attack but can also be used as irrigation for garden and lawns as well as cooling your roof or misting your patio and as an entertainment for kids on a hot days of summer.
Water is sprayed for 10 minutes every hour to thoroughly soak the roof.
The water evaporates and cools the surface.
Attached a garden hose and a water timer.
Roof sprinklers work by spraying water at predetermined intervals on a roof s surface.
This cooling reverses the heat flow through the roof.