Cooling with liquid water running off from a sprinkler is not efficient but evaporative cooling from a small amount of water like a periodic sprinkle is very efficient.
Soaker hose roof cooling.
The water that then goes up to the roof is cooler than it was coming out of the faucet.
Contact your local fire marshal for advice.
Yes the soaker hose will help cool your roof and your home because the evaporation will use up some of that excess heat.
We have soaker hose on our flat roof.
Likewise don t climb up on your roof with a garden hose.
Sure yukkuri the author took conventional lawn sprayers to the edges of his roof on the gutters.
They can also be hooked up to a thermostat which causes them to spray when the roof surface is hot enough to warrant evaporative cooling.
Our houses are about the same size but his.
Ours is installed at the peak of the roof and draining to both sides metal roof no.
They stay on long enough to wet the whole roof.
Expandable hose flex garden hose hot water use garden hoses 100 ft or greater garden hoses 3 8 inch rubber tubing flexible outdoor water pipe how doers get more done need help.
Yes water on the roof will help cool it.
Coming from the faucet it goes into a coil of plastic pipe in a tub with misters spraying the coil.
He put them to a timer.
I would assume this would work in any climate where your roof got hot enough.
The hoses are connected to a sprinkler timer and come on six times during the hottest part of the day.
1 gallon of water consumes 8000 btu as it evaporates.