A thick insulation between 14 to 18 inches will help reduce heat from entering your home.
My attic is very cold.
Department of energy doe the average unimproved attic has just r 19 insulation the insulation value of a five and a half inch thick fiberglass batt.
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.
Moisture accumulation is most significant when outside temperatures are very cold because air holds less moisture as the temperature decreases.
The natural air flow created by a properly vented attic will move hot air out of the home.
A good way to gage if more insulation is necessary is to look in your attic for.
Now if the ridge vent is only partial or if the attic air temperature is excessive 20.
Within the attic insulation is a must.
If there is excessive moisture accumulation in your attic it will condense on cold areas mainly on the underside of your roof deck.
It works together with the attic insulation which will ensure hot air does not enter the attic from outside.
Ask an insulation specialist to evaluate your needs.
Poor attic insulation to check if your attic has sufficient insulation or not look out for attic floor joists.
How does condensation get in the attic.
If your attic is too cold it probably lacks sufficient protection from outside temperatures.
Poor attic insulation leaking air ducts and blocked soffit vents can also cause your home to have hot upstairs and cold downstairs.
The doe recommends r 49 or better for good energy efficiency and interior.
Attic ventilation is vital to the upkeep of your home so make sure it is installed and functioning correctly.