Which Way Does Insulation Go Tos In The Attic
Kim asks on your show you said that when insulating under a floor the paper facing should face up against the flooring.
Which way does insulation go tos in the attic. You only want one vapor barrier in your attic and it should be as close to the ceiling as possible to prevent warm moist air from coming up from the heated house and condensing when it hits the cold air in the attic. Both can be added to uninsulated attics or layered over existing material. For spaces with existing insulation it s r38 to r49. To make insulating an attic easier grab a helper and set aside two days.
Why can t i install it the other way regardless of whether insulation is installed in a wall attic or crawlspace. If you want to add foil insulation to an existing roof you can still do it by going into the attic and stapling it to the undersides of the roof rafters. If you do this the shiny side of the. The paper facing should always face toward the inside of the home.
Here in the twin cities area we are in zone 6. In most homes walls between rooms are only marginally effective at blocking noise. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons. Attic insulation in.
Blowing attic insulation isn t hard but it s dusty sweaty work. The right amount of insulation is just as important as the material itself. You can do it yourself for about 500. Loose fill or batt the common term for blanket insulation.
This depends on how much attic insulation you already have and where you live. The green curmudgeon wrote another article on poorly installed batts recently with photos of knauf fiberglass. Spray cellulose fiberglass bats or foam are all viable alternatives but you might want to go with foam board insulation if you have adequate workspace and access. By far the easiest and most economical method for controlling noise is to install insulation in the wall cavity.
For diy attic insulation you ve got two choices. 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. Then go get yourself some unfaced batts and do your best to install them to grade i quality. Hi cheryl the paper facing on insulation has an asphalt layer which acts as a vapor barrier.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product. The pros charge 1 500 to 2 000 to do a 1 200 sq ft. Home insulation is a great way to save money on utility bills while also minimizing the consumption of non renewable resources and thus protecting the environment. Adding insulation beneath drywall in a typical interior wall can increase sound control and increase the sound transmission class stc rating.
In uninsulated attics the target r value is r49 to r60. Blown in spray foam batts and blankets.