Coat To Bring Attic Insulation Up From 11 To R49

Thus more insulation would have a very long payback time.

Coat to bring attic insulation up from 11 to r49.

How deep to put blown in insulation. I have about 6 inches of blown in insulation in my attic. Since the experts think i should have at least twice this amount of insulation what am i missing. If you don t have enough it may be an indication that your home is under insulated and may not be properly sealed.

The attic is already air sealed as. If you re lucky you ll get away with this. If there s still not enough room you can always add a layer of foam board or closed cell spray foam to the top of the roof topped by sheathing or. As noted above there are lots of higher r value per inch alternatives to fiberglass.

Existing 3 4 inches of insulation. Mark the desired level on different roof trusses around the attic before you start photo 4. Affix rigid foam insulation to the attic side of the hatch or door. Where the irc 2009 recommendations for cold climate attic roof insulation have been adopted r49 is the minimum.

Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120. Add insulation to attic. In temperate coastal areas such as zone 3 attic insulation of at least r30 up to a maximum of r60 is recommended. Adding insulation is one of those jobs that people think can be done blindly.

If you re not you could end up with an unhealthy moldy attic. You need up to 19 inches or r 49 for efficiency. A poorly insulated attic lets heat escape through the roof wasting energy used to warm. We have about 3 of old insulation in our attic.

Just throw some pink stuff up in the attic and you re good to go right. The easiest place to get a gauge on your home s current insulation condition is in the attic. Pick up the blower and insulation. Cellulose blown in ceiling insulation is a good choice for diyers.

Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. We want to bring it up to r49 but i have read that some suggest taking it to r60 to get more energy efficiency. For loose fill cellulose this translates to a total depth ranging from 8 inches. That tells me my insulation is adequate.

Attic hatch or door. Wall insulation whenever exterior siding is removed on an. 1 insulate the attic after air sealing and reducing moisture. Attic insulation is a key to saving energy during the heating season.

This may not be a question that can be answered without seeing the attic but would the extra few hundred dollar be worth the energy saving benefits. Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts.