Before the introduction of attic insulation attics in cold climates were poorly insulated and plastic ceiling vapor barriers were omitted.
Did not seal attic before blowing insulation.
So you ve decided to tackle the project of removing your old insulation.
Blown in spray foam batts and blankets.
Before you start any significant air sealing project you should detect air leaks and speak with an hvac professional about ventilation needs first.
We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.
Pull down stair or ladder.
Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.
Your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass.
In most older homes and even in some newer ones blowing extra insulation into your attic can help save you a lot of money on energy bills some estimates go as high as 20 percent per year as well as make your home a more comfortable place to live.
If your attic has suffered water damage from a burst pipe or a roof leak mold will start growing fast.
I have blown in and moving that aside to seal leaks before adding additional insulation is not very appealing.
Affix rigid foam insulation to the attic side of the hatch or door.
Not sealing attic air leaks first no amount of insulation is going to help if you don t seal your attic properly says olson.
The heat being lost from the house below warmed up the attic so that moisture was lost through the vents as vapor.
How to remove blown in insulation.
By far the easiest way to add insulation to a completed home with the walls and ceiling already closed up is to blow insulation into the attic.
Attic hatch or door.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.
It s important to seal air leaks before adding insulation.
As blown in insulation sits tight up against wet wood and drywall it creates the perfect environment for mold growth.
Not getting insulation out to the edges when you re prepping the attic use a broom handle or stick to push the existing insulation out to the edges.
Following as i want to do the same.