Install low gable vents located above the top level of the attic ceiling insulation use eye brow vents that are on the top of the sloping roof surface near the soffit eave area.
My attic has no insulation.
Install batting between the roof rafters for finished attic spaces.
Focus on the other ventilation you have in the attic.
Loose fill or batt the common term for blanket insulation.
Preferably some at the top of the roof and some at the bottom.
Sometimes there is enough insulation in the middle of the attic and very little along the eaves.
You are unable to keep the hot air from getting into the attic because there is no insulation to protect the attic from the hot air.
If your attic insulation covers your joists and is distributed evenly you probably have enough.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
For diy attic insulation you ve got two choices.
They include rafters and ceiling joists that are damp or blackened with mold.
In fact the reason for your hot temperatures is due to a lack of insulation and the radiant heat from the sun.
Both can be added to uninsulated attics or layered over existing material.
You can use either faced or unfaced batting for this installation.
Attic insulation r 50 is now the code.
Old homes rarely have anything near that.
To see how to add insulation out to the eaves see installing rafter vents.
If you are installing a new roof consider a drip edge vent.
Poor insulation is usually the culprit although if you enter the attic on sunny winter day your attic space can be warmed by the sun more than your furnace.
Thick insulation between 14 and 18 inches is what is needed in most cases but that s not all.
Attic ceiling to stop airborne moisture from reaching a cold surface and condensing inside the building envelope.
It is important that the insulation be evenly distributed with no low spots.
Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic.
Inspect the attic if your attic is not sufficiently vented you probably won t have to look very hard to find signs.