Control Attic Temptures

Low slope roofs need less and high slope roofs over 45 degrees need another 20 percent or so because there s more air to move.
Control attic temptures. Taking the necessary steps to control the temperature in your attic won t be easy but will pay dividends in the long run. To head off these problems consider these options for bringing your attic s temperature down. Other solutions include adding an attic vent or improving attic insulation. These images came from a presentation danny parker gave pdf on fsec s cool roof research the third graph shows attic temperatures from the middle of the attic for several different types of roofing as well as a sealed attic.
Quelch the heat wave. The white roof lowered the attic temperature by about 20 f. One is the use of attic fans. There are several ways to do this.
Install electric ventilators and attic fans which remove hot air from an attic. Ideal attic temperature and humidity settings cold outdoor temperatures affect attics. Hot summer weather poses the opposite problem for maintaining recommended attic temperatures. Alternatively install passive vents such as gable soffit and ridge vents which.
How can you combat the excessive heat in your attic. For a general estimate in homes with ceiling insulation and vapor barriers figure about one square foot of vent per 300 square feet of attic floor. They have thermostats that turn the fan. Step 1 install insulation under the attic floors to keep the attic from getting too hot or too cold.