Added Insulation In Attic But Attic Is Still Hot

Not the overabundance but the lack of insulation in the attic.

Added insulation in attic but attic is still hot. Fortunately adding insulation to an attic is a task well within the ability of. 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. The answer is rafter venting. Plan to pull up the flooring and layer new insulation on top of the old.

High temperatures inside your attic shorten the life span of shingles. With only minimal levels of insulation and areas where insulation is missing attic heat can turn ceiling drywall into a giant radiator that makes upstairs rooms uncomfortably hot. Within the attic insulation is a must. The thermostat will usually start at 95 degrees fahrenheit which is the temperature that the attic fan usually starts at.

Excessive heat deteriorates items you store in the attic and can cause moisture. Rafter vents or insulation baffles install in any rafter space to create narrow gaps that direct fresh air from the soffit vents to the peak of the roof. The structural elements are usually exposed in these areas which makes it easy to see what type of insulation you have and to measure its depth or thickness inches. 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.

Blown in insulation overview. Check the attic walls and floors adjacent to an unheated space like a garage or basement. But by adding powered attic fans you will draw more air into the attic. A thick insulation between 14 to 18 inches will help reduce heat from entering your home.

If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. How much does attic insulation cost. Blowing attic insulation isn t hard but it s dusty sweaty work. Because the simplest and cheapest way to insulate an attic is to add material to the floor.

The pros charge 1 500 to 2 000 to do a 1 200 sq ft. You can do it yourself for about 500. By upgrading your insulation you can save energy and improve interior comfort year round. Attic ductwork leaky uninsulated ducts turn cool air warm.

Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic. Using insulation only keeps the attic s heat from traveling through your home. But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates. A hot attic is bad for several reasons.