Sprinkling Water On Roof

I can almost see the heat coming out of the shingles.

Sprinkling water on roof.

Attached a garden hose and a water timer. 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. Department of energy the surface of a cool roof reflects more sunlight and releases more heat than a so called hot or dark roof. One study indicates that water use is around 100 gallons per day per 1000 sqft of roof area.

First the concept of sprinklers on the roof is not new. Excess water into the gutters and into a rain barrel that drip feeds the banana plants that just love lots of water. In the face of an advancing wildfire a structure with a properly implemented firesmart program in combination with an operational exterior rooftop sprinkler system has a survival probability of above 90. The principle is similar to the way the human body cools itself with perspiration.

Some of the water evaporates which increases the relative humidity while reducing temperatures in the microclimate. These systems provide cooling by spraying the water evaporates and cools the surface. 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. As the water evaporates it cools the roof and helps to lower the temperature of the roof tiles and the ceiling cavity beneath it.

This has been attempted thousands of times during wildfires with very limited success. Roof sprinklers work by spraying water at predetermined intervals on a roof s surface. Sprinklers are one of the oldest methods but one of the newest technologies in wildfire control and property fire protection in wildland areas. The microclimate is the area right around where the sprinklers are located.

In your community particularly there are potential drawbacks that lead firesafe marin and local fire agencies to strongly discourage the practice. Adjust sprinkler to end it s arc about three feet from the edge of the roof. So if i sprinkle water on the roof it should get cooler. A cool roof is a roof designed to maintain a lower surface temperature in bright sunshine than a traditional roof source.

These types of systems can also be set up to operate automatically either on a timer or connected to an automatic temperature sensor which triggers the system whenever it gets too hot. I have this notion that i should hose water on my roof when it gets really hot outside like 100 degrees florida. Hooked up a heavy duty impact sprinkler head on the center peak of the roof. Areas where water is in short supply.

I ve done exactly this. Water is sprayed for 10 minutes every hour to thoroughly soak the roof. Haven t tried it because i don t want to look like a dweeb to my neighbors. Roof top sprinkler systems fact.