Having a properly vented attic is the best way to keep attic cool because it allows the hot air to escape during the summer.
How hot does an attic get.
I have a shop in my attic for some of my hobbies and it get s very hot in the summer.
Hang an outdoor thermometer in your attic making sure its range reaches at least 130 degrees fahrenheit.
Using insulation only keeps the attic s heat from traveling through your home.
I recommend you put a digital thermometer in yours and get an exact reading.
Roofing panels can get wet when design or construction flaws allow moisture in when ice dams damage shingles or when strong winds and storms damage the roofing.
The attic is a huge determinant in keeping your entire home cool so the first place to start cooling your home should be the attic.
In addition hot air in your attic could increase moisture levels which could result in wood rot and mold growth.
Not the overabundance but the lack of insulation in the attic.
Depending on the humidity.
Within the attic insulation is a must.
But by adding powered attic fans you will draw more air into the attic.
Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures.
Hang pencil and paper next to the thermometer and record the outdoor and attic temperatures.
Wet roofing panels have even less of a chance of drying in an unventilated attic when insulation has been applied directly to the underside of the roofing panels.
Another reason your attic is so hot is because of insulation.
It will help to keep the attic much cooler in the summertime.
I have large attic with ridge vents and screened vents at either end of the attic to maintain air flow.
I live in northern virginia hot humid climate in the summer and use heat pumps to heat and cool my house throughout the year.
The heat temp is one thing but the heat factor would be another.