How do you touch up blown-in insulation?
Quote from the video:
Quote from Youtube video: So that the plastic bag will open as the insulation expands and then I'm just pushing down on the middle of that insulation to make sure that it stays over the bag.
What R-Value do I need for attic?
R-30
Depending on where you live and the part of your home you’re insulating (walls, crawlspace, attic, etc.), you’ll need a different R-Value. Typical recommendations for exterior walls are R-13 to R-23, while R-30, R-38 and R-49 are common for ceilings and attic spaces.
How do I absorb moisture in my attic?
Open the windows at the first sign of moisture, and use fans to help speed drying. Throw away any insulation or other materials that are wet or show signs of mildew, but be sure to replace them immediately. A dehumidifier can also help remove moisture from the attic fairly quickly.
Can you put cellulose on top of fiberglass insulation?
Yes, you can mix fiberglass and cellulose insulations. Installing cellulose insulation over fiberglass insulation is known as capping and can save you money and time instead of removing and replacing the former material.
Can you double up on attic insulation?
Doubling the thickness of insulation will double the insulation’s R-value, cutting heat loss in half. Each time the insulation layer is doubled in thickness, this rule applies.
Can you put too much insulation in your attic?
It’s possible to over-insulate an attic as too much will cause moisture buildup and eventually result in mold. Eventually, adding more insulation leads to diminishing returns in trapping heat as well.
What happens if you over insulate?
It is possible to over-insulate your house so much that it can’t breathe. The whole point of home insulation is to tightly seal your home’s interior. But if it becomes too tightly sealed with too many layers of insulation, moisture can get trapped inside those layers. That’s when mold starts to grow.
Can you lay insulation on top of old insulation?
Yes! You can absolutely new insulation over old insulation… as long as it isn’t wet. Energy Star advises as follows: “If it… appears that the insulation [is wet or] has previously been wet, you should look for the cause and repair the problem to prevent a reoccurrence.
Do you have to remove old insulation before installing new?
Expert contractors that specialize in insulation advise that removing old fiberglass insulation is best before installing new cellulose insulation because of possible mildew, mold, or rodent excrement.
How do I remove attic insulation myself?
Quote from the video:
Quote from Youtube video: Using you know just a regular old shovel. And a big bigger than a contractor's bag at the access home filling it that way or finding a rather large vacuum. I know you can get the removal bags online.
How often should attic insulation be replaced?
every 15 to 20 years
As a general rule, insulation should be replaced or retrofitted every 15 to 20 years. However, it may need replacing or retrofitting sooner depending on the type of insulation installed, the R rating of the original insulation, compression and movement over time, and whether any damage has occurred.
Can I remove insulation myself?
Remove Old Insulation. Once there is no asbestos, mold, or rodents, it is generally safe to proceed with attic insulation removal yourself. Some insulation is easier to remove than others. Luckily homeowners are more likely to find the easier kind which is blown-in fiberglass or cellulose insulation.
Can I use a shop vac to remove attic insulation?
Quote from the video:
Quote from Youtube video: All right so today we turn to my dump trailer into a big shop-vac. You let me use that suck all the insulation out of my attic.
Can you remove attic insulation with a shop vac?
So, if you want to remove blown-in insulation, you need to buy a high-powered shop vacuum with a very large capacity. Alternatively, you can also rent specialized HEPA-filter insulation removal equipment from a facility which rents out specialized tools and equipment.
