An overheated attic can bake asphalt shingles on the roof and cause them to deteriorate.
The attic door is very hot.
High temperatures inside your attic shorten the life span of shingles.
Imagine how hot your house would be if it was 120 degrees outside.
And it can cause your air conditioner to work harder than it needs to and send your energy bills soaring with the temperature.
Within the attic insulation is a must.
Lacking these i did the following.
Be sure that the access door is well fitted and doesn t let air escape around the edges.
If not you may want to consider adding blown in insulation.
We ve all been in attics during the summer it s miserable.
Another reason your attic is so hot is because of insulation.
Attic fans push out the hot air and pull in the cool air from the vents installed on your roof.
An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be.
A thick insulation between 14 to 18 inches will help reduce heat from entering your home.
To ensure that the attic fan is working properly you need to make sure that your attic is sealed up tight where it touches the ceiling of the top floor.
Set the garage door so it closes leaving about 1 foot gap at bottom also lets cats come and go as they wish.
Hopefully the ceiling cavity between the garage and the finished spaces was insulted.
Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic.
They can easily be 120f.
The garage ceiling has a door to the attic.
During the hot months many people leave their garage doors open in the day or there is even a screen door type covering for a garage.
You would think that an attic fan sometimes called a powered attic ventilator or pav would keep the attic space cooler by exhausting hot air.
Central heating ac systems and ductwork are often in the attic.
The heat from the garage will absolutely contribute to high temperatures in the attic space above as well as the finished rooms.
A hot attic is bad for several reasons.
When it s hot outdoors it s hotter in your attic.
Not the overabundance but the lack of insulation in the attic.
Attics are very hot during the summer and cold in winter.
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.
Heat moves from hot places to cooler places.
