The number one prep step.
Air seal attic diy.
In many homes the combined air leaks in these two areas add up to a half window being open all day long.
In the past year i ve been on an energy hog hunt in my house and landed on air sealing my attic before adding blown insulation.
Home blog diy attic insulation and air sealing guide.
But if the heated air in your house is just slipping through th.
Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11.
For the simple reason that heat rises insulating the attic is a major energy saving measure.
If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the.
When you re done sealing your attic bypasses push the insulation back into place with an old broom handle or stick as you back out of the attic.
My cost was under 150 and it took me less than a day.
While the air leaks around windows and doors are significant and most noticeable you are probably losing a lot more air and energy in your attic and basement.
Gaps in the attic or between the lower floors and the attic will let heated or cooled air escape to the great unconditioned outdoors making any insulation you add essentially useless.