An evaporative roof cooling system is designed to reduce the temperature of a roof from 165 f to about 90 f.
Low volume roof cooling.
This reduces summer energy bills and helps deter the heat island effect in cities.
Up to 6 12 roof pitch use the standard formula as explained in this article.
Generally as the roof pitch increases the volume inside the attic also increases along with the amount of needed attic ventilation.
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.
This cooling reverses the heat flow through the roof.
They are typically easier to install and won t detract from the appearance of your roof.
Here s a rule of thumb to follow.
If you want to convert an existing roof into a cool roof you have three basic options.
Retrofit the roof with specialized heat reflective material.
It makes the most sense for homes with low levels of insulation and for homes with ducts in the attic.
Although costs will vary greatly depending on location and local circumstances cool roof coatings on a low slope roof might cost 0 75 1 50 per square foot while single ply cool roof membrane costs vary from 1 50 3 00 per square foot.
Tesla s design for low profile solar roof tiles photograph.
White roof aka cool roof pros.
They can quickly remove a larger volume of hot and or humid air from your attic compared to static ventilation which helps save money on your heating and cooling costs.
The egv5 power gable mount vent can move air at a rate of up to 1450 cu.
Because the incremental cost of cool roofing is low it s a relatively inexpensive and sensible product to specify in those climates.
Re cover the roof with a new waterproofing surface such as tile coating replace the roof with a cool one.
A rooftop sprinkler system is not just for fire protection.
Cool roofing can reduce energy use in some but not most u s.
7 12 to 10 12 roof pitches increase the amount of ventilation by 20 percent.
Heat is now transferred out of the building through the roof.
A light colored or white roof of any material is also known as a cool roof for a reason it can significantly cool the roof s temperature by reflecting the sun s rays away from the house keeping the interior of the home cooler as well.
On a hot summer day it will even provide natural cooling no need for an air conditioning system.