Inspect the attic if your attic is not sufficiently vented you probably won t have to look very hard to find signs.
My attic has no insulation.
If you are installing a new roof consider a drip edge vent.
Unvented attic assemblies unvented attics rely on an air impermeable insulation installed to the roof deck s underside i e.
Focus on the other ventilation you have in the attic.
When using insulation that has either paper or plastic facing.
To see how to add insulation out to the eaves see installing rafter vents.
They include rafters and ceiling joists that are damp or blackened with mold.
Loose fill or batt the common term for blanket insulation.
Sometimes there is enough insulation in the middle of the attic and very little along the eaves.
Attic insulation r 50 is now the code.
Attic ceiling to stop airborne moisture from reaching a cold surface and condensing inside the building envelope.
Install batting between the roof rafters for finished attic spaces.
For diy attic insulation you ve got two choices.
It is important that the insulation be evenly distributed with no low spots.
Attic ventilation depending on the size of the home be sure there is plenty of roof vents.
Both can be added to uninsulated attics or layered over existing material.
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.
In fact the reason for your hot temperatures is due to a lack of insulation and the radiant heat from the sun.
You can use either faced or unfaced batting for this installation.
Preferably some at the top of the roof and some at the bottom.
Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic.
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.
Old homes rarely have anything near that.
Thick insulation between 14 and 18 inches is what is needed in most cases but that s not all.